Perhaps you should try some spelling variations:
hanh mang » nhanh mang, hanh trang, nhanh lang
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
nong tac » cong tac, dong tac, tuong tac
nong tan » cong tan, nong dan, nong san
hanh mau » thanh mau, anh mau, hanh ma
mang va » mang vua, hang va, bang va
va hang » van hang, va nang, va lang

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 va hang ((nong tac) OR (nong tan)) ((thanh ngu) OR (hanh mau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - hanh mang va hang ((nong tac) OR (nong tan)) ((thanh ngu) or (hanh mau))~".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh mang va hang ((nong tac) OR (nong tan)) ((thanh ngu) or (hanh mau))*.