Perhaps you should try some spelling variations:
giai chieu » gioi thieu, gian hieu, gia hieu
manh trung » manh tung, thanh trung, manh hung
hai chieu » nhat chieu, pham chieu, thap chieu
trung cap » truong cao, trung tam
cap nhung » cam nhung, vap nhung, dap nhung
cong tac » cong ty
toan tap » toan ban

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

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