Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
giai chieu » gioi thieu, gian hieu, gia hieu
truong cao » truong dai
cao nhung » cho nhung, cam nhung, cao chung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((giai chieu) or (tim hieu)) xanh - manh truong cao nhung ((cong dan) OR (cong tan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((giai chieu) OR (tim hieu)) xanh - manh truong cao nhung ((cong dan) OR (cong tan)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((giai chieu) or (tim hieu)) xanh - manh truong cao nhung ((cong dan) OR (cong tan)) than cao".
• Adding a wildcard symbol may retrieve word variants: ((giai chieu) or (tim hieu)) xanh - manh truong cao nhung ((cong dan) OR (cong tan)) than cao*.