Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
thanh cap » thanh lap, hanh cap, thanh ca
than cap » khan cap, thanh lap, thanh cac

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 cua nhung ((cong vang) or (cong lang)) ((thanh cap) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - canh tranh cua nhung ((cong vang) OR (cong lang)) ((thanh cap) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - canh tranh cua nhung ((cong vang) or (cong lang)) ((thanh cap) or (than cap))*.