Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
thanh ban » thanh san, thanh van, thanh bac
quan dung » quang dung, quan duong, qua dung
ho chieu » theo chieu, doi chieu, mot chieu
ban quan » van quan
cong tan » cong tac, cong san, cong ty
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: ((ho chieu) or (hoc thieu)) sach - thanh ban quan dung ((cong tan) OR (cong thanh)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sach - thanh ban quan dung ((cong tan) OR (cong thanh)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sach - thanh ban quan dung ((cong tan) OR (cong thanh)) than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sach - thanh ban quan dung ((cong tan) OR (cong thanh)) than cap*.