Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu lang » chieu sang, hieu lang, chi lang
tranh dap » tranh dau, trinh dap, tranh chap
dap nhung » vap nhung, va nhung, dap ung
cong bang » cuong bang, dong bang, hong bang
cong tan » cong tac, cong san, cong thanh
khan cap » khan ap, than cap, khoan cam

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 lang - canh tranh dap nhung ((cong bang) or (cong tan)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu lang - canh tranh dap nhung ((cong bang) OR (cong tan)) khan cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu lang - canh tranh dap nhung ((cong bang) or (cong tan)) khan cap*.