Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
pha nhung » phai nhuong, tham nhung, phan chung
ho chieu » theo chieu, hoc thieu, mot chieu
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
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 (doi chieu)) sach - ((thanh trung) OR (thanh tung)) pha nhung cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((thanh trung) OR (thanh tung)) pha nhung cong tac than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) sach - ((thanh trung) OR (thanh tung)) pha nhung cong tac than cap*".