Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tranh dap » tranh dau, trinh dap, tranh chap
dap nhung » vap nhung, va nhung, dap ung
theo thu » theo chu, theo tu, theo tieu
thu sang » thu hang, thu san, thu bang
cong tan » cong tac, cong san, cong ty
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thu sang - canh tranh dap nhung ((huong dan) or (((cong tan) OR (cong thanh)))) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thu sang - canh tranh dap nhung ((huong dan) OR (((cong tan) OR (cong thanh)))) phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo thu sang - canh tranh dap nhung ((huong dan) or (((cong tan) OR (cong thanh)))) phan lap".
• Adding a wildcard symbol may retrieve word variants: theo thu sang - canh tranh dap nhung ((huong dan) or (((cong tan) OR (cong thanh)))) phan lap*.