Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
chu sach » cau sach, thu sach, chuc hach
tang cua » mang cua, hang cua, tang luan
cong tac » cong ty
tran cau » tran chau, toan cau, ran cau
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho ((chu sach) OR (chieu sach)) - hanh tang cua nhung cong tac ((tran cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu sach) OR (chieu sach)) - hanh tang cua nhung cong tac ((tran cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu sach) OR (chieu sach)) - hanh tang cua nhung cong tac ((tran cau) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: cho ((chu sach) OR (chieu sach)) - hanh tang cua nhung cong tac ((tran cau) or (toan tap))*.