Perhaps you should try some spelling variations:
"toc sach pha ve giao cong thong tin" » "toc sach pha ve giao cong thuong tin", "toc sach pha ve giao cong trong tin", "toc sach pha ve giao dong thong tin", "toc sach pha ve gia cong thong tin", "toc sach pha ve giao thong thong tin", "toc sach pha ve cao cong thong tin", "hoc sach pha ve giao cong thong tin", "doc sach pha ve giao cong thong tin", "thuoc sach pha ve giao cong thong tin", "toc sach phap ve giao cong thong tin", "toc sach nha ve giao cong thong tin", "toc cach pha ve giao cong thong tin", "toc sach pha te giao cong thong tin", "toc sach pha viet giao cong thong tin", "toc sach pha van giao cong thong tin", "toc sach phan ve giao cong thong tin"
"so sach phat ve gioi bon dong tien" » "so sach nha ve gioi bon dong tien", "so sach tham ve gioi bon dong tien", "so cach pha ve gioi bon dong tien", "so sach phat ve gioi bon duong tien", "so sach phat ve gioi bon dong tin", "so sach phat ve gioi bon dong dien", "so sach phapt ve gioi bon dong tien", "so sach nhat ve gioi bon dong tien", "so cach phat ve gioi bon dong tien", "so sach phat ve gioi hon dong tien", "so sach phat ve gioi binh dong tien", "so sach phat ve gioi dong dong tien", "so sach phat ve gioi bon cong tien", "so sach phat ve gioi cong dong tien", "so sach phat ve gioi bien dong tien", "so sanh phat ve gioi bon dong tien", "bo sach phat ve gioi bon dong tien", "co sach phat ve gioi bon dong tien", "so sach phat vi gioi bon dong tien", "so sach phan ve gioi bon dong tien", "so sach phat ve giai bon dong tien", "so sach phat vien gioi bon dong tien", "so sach phat van gioi bon dong tien"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("toc sach pha ve giao cong thong tin") or ("so sach phat ve gioi bon dong tien"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("toc sach pha ve giao cong thong tin") OR ("so sach phat ve gioi bon dong tien")).
• Removing quotes may allow a broader search: (( toc sach pha ve giao cong thong tin ) or ( so sach phat ve gioi bon dong tien )).
• Adding a wildcard symbol may retrieve word variants: (("toc sach pha ve giao cong thong tin") or ("so sach phat ve gioi bon dong tien"))*.