Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong dan » cong san, cong tan, huong dan
hang dau » hang va
hang tai » hang va, dung tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - canh tranh van nhung cong dan ((hang dau) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh tranh van nhung cong dan ((hang dau) OR (hang tai))*.