Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh mang » nhanh mang, hanh trang, nhanh lang
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
phan dau » phan tu
hang dau » hang va, hang tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh mang) OR (hanh han)) he thong cong dan ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - ((hanh mang) or (hanh han)) he thong cong dan ((phan dau) OR (hang dau))~".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh mang) or (hanh han)) he thong cong dan ((phan dau) OR (hang dau))*.