Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
van nhuong » van chuong, van phuong, van huong
van nhung » va nhung, van hung, van phung
gian chau » gian cham, gian cua, gian cac
ho chieu » hoc thieu, doi chieu, mot chieu
cong san » cong tac
san gian » dan gian, san giao, van gian

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 (theo chieu)) tinh - canh tranh ((van nhung) OR (van nhuong)) cong san gian chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - canh tranh ((van nhung) OR (van nhuong)) cong san gian chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) tinh - canh tranh ((van nhung) OR (van nhuong)) cong san gian chau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - canh tranh ((van nhung) OR (van nhuong)) cong san gian chau*.