Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
nhung cong » dung cong, thong cong, hang cong
theo nghi » cheo nghe, ho nghi, thue nghi
cua nhung » va nhung
theo chi » theo chu, theo chieu, thep chiu
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chi) OR (theo nghi)) van - ((hanh tranh) or (canh tranh)) cua nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chi) OR (theo nghi)) van - ((hanh tranh) OR (canh tranh)) cua nhung cong san toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chi) OR (theo nghi)) van - ((hanh tranh) or (canh tranh)) cua nhung cong san toan tap*".