Perhaps you should try some spelling variations:
quan duong » tuan duong, quan dong, qua duong
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
anh dang » anh dong, anh dung, anh bang
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 (hoc thieu)) xanh - ((canh tranh) or (anh dang)) quan duong cong tac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - ((canh tranh) OR (anh dang)) quan duong cong tac than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - ((canh tranh) or (anh dang)) quan duong cong tac than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - ((canh tranh) or (anh dang)) quan duong cong tac than cap*.