Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thanh tran » thanh trang, thanh toan, thanh tra
dang thanh » dong thanh, dang hanh, hoang thanh
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
thanh cap » thanh lap, hanh cap, than cap
ho chieu » theo chieu, doi chieu, mot chieu
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) sach - ((thanh tran) or (thanh thang)) va dung cong dang thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - ((thanh tran) OR (thanh thang)) va dung cong dang thanh cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) sach - ((thanh tran) or (thanh thang)) va dung cong dang thanh cap*".