Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
manh trung » manh tung, manh hung, sinh trung
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
ban quan » van quan
quan ha » quan he

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 (ho chieu)) tinh - ((manh trung) OR (thanh trung)) tin dung cong ban quan ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) tinh - ((manh trung) OR (thanh trung)) tin dung cong ban quan ha.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) tinh - ((manh trung) OR (thanh trung)) tin dung cong ban quan ha".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) tinh - ((manh trung) OR (thanh trung)) tin dung cong ban quan ha*.