Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tranh dap » tranh dau, tranh chap, thanh dat
trinh dap » trinh lap, trinh da, trinh dan
theo chu » theo chieu, cho chu, chao chu
chu sang » chu bang, thu sang, chieu sang
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac

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

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