Perhaps you should try some spelling variations:
chiet tach » chieu sach
thien hach » thien thanh, hien hanh
hang doanh » hanh doanh, nhung doanh, van doanh
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
cua hang » cua dang, cua nhung, cua cong
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chiet tach) or (thien hach)) - hang doanh cua hang cong van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chiet tach) OR (thien hach)) - hang doanh cua hang cong van thanh tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((chiet tach) or (thien hach)) - hang doanh cua hang cong van thanh tap*.