Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, theo sach
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hieu cach » hieu cac, chieu sach, hieu ca
san thanh » ban thanh, van thanh, son thanh
thanh ban » thanh san, thanh van, thanh bac
cong san » cong tac

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) or (hieu cach)) - hanh ((truong cua) or (thong quan)) nhung cong san thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (hieu cach)) - hanh ((truong cua) OR (thong quan)) nhung cong san thanh ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (hieu cach)) - hanh ((truong cua) or (thong quan)) nhung cong san thanh ban*.