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
trang va » hang va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
luan » quan, lan

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 - hanh ((trang va) or (((tran van) or (luan van)))) nhung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((trang va) OR (((tran van) OR (luan van)))) nhung cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((trang va) or (((tran van) or (luan van)))) nhung cong tan toan ban*.