Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong tan, truong thanh
manh trung » manh tung, thanh trung, manh hung
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
trung ap » trung cap, trung lap, trung tam
toan ban » van ban
ap dung » xay dung, van dung

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 (doc hieu)) xanh - manh trung ap dung ((cong thanh) or (cong trinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - manh trung ap dung ((cong thanh) OR (cong trinh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - manh trung ap dung ((cong thanh) or (cong trinh)) toan ban*.