Perhaps you should try some spelling variations:
manh trung » thanh trung, manh hung, sinh trung
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
manh tung » manh hung, thanh tung
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
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: ((theo chieu) or (doc hieu)) xanh - ((manh trung) OR (manh tung)) ap dung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) xanh - ((manh trung) OR (manh tung)) ap dung cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doc hieu)) xanh - ((manh trung) OR (manh tung)) ap dung cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) xanh - ((manh trung) OR (manh tung)) ap dung cong thanh toan ban*.