Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
van dung » van dong, xay dung, tin dung
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) tinh - canh tranh van dung cong ((dan toan) or (manh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) tinh - canh tranh van dung cong ((dan toan) OR (manh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) tinh - canh tranh van dung cong ((dan toan) or (manh toan)) tap*.