Perhaps you should try some spelling variations:
"so sach thue ve giao cong van minh" » "so sach thu ve giao cong van minh", "so sach thieu ve giao cong van minh", "so sach tham ve giao cong van minh", "so sach thue ve gia cong van minh", "so sach thue ve giao thong van minh", "so sach thue ve cao cong van minh", "so sach thue ve giao cong vang minh", "so sach thue ve giao cong san minh", "so sach thue ve giao song van minh", "so sanh thue ve giao cong van minh", "bo sach thue ve giao cong van minh", "co sach thue ve giao cong van minh", "so sach thuc ve giao cong van minh", "so sach thue va giao cong van minh", "so sach thue ke giao cong van minh", "so sach thue te giao cong van minh", "so sach thue viet giao cong van minh", "so sach thue van giao cong van minh"
"te sach cha me gioi cau thong tin" » "te sach cha me gioi sau thong tin", "te sach cha me gioi cau thang tin", "te sach cha me gioi cau trong tin", "te sach nha me gioi cau thong tin", "te sach che me gioi cau thong tin", "te sach ha me gioi cau thong tin", "te sach cha me gioi chau thong tin", "te sach cha me gioi cam thong tin", "te sach cha me gioi can thong tin", "toc sach cha me gioi cau thong tin", "te sach cha me giai cau thong tin", "te sach cha ve gioi cau thong tin", "te sach cha me nguoi cau thong tin", "te sach cha me gioi cau thong tinh"

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: (("so sach thue ve giao cong van minh") or ("te sach cha me gioi cau thong tin"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("so sach thue ve giao cong van minh") OR ("te sach cha me gioi cau thong tin")).
• Removing quotes may allow a broader search: (( so sach thue ve giao cong van minh ) or ( te sach cha me gioi cau thong tin )).
• Adding a wildcard symbol may retrieve word variants: (("so sach thue ve giao cong van minh") or ("te sach cha me gioi cau thong tin"))*.