Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » thong cong, hang cong, nhung don
thanh than » thanh thanh, thanh thang, thanh toan
trung dap » trung cap, trung dai, trung dam
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
than cau » toan cau, phan cau, than cap

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) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (dung cong)) thanh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (dung cong)) thanh than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (dung cong)) thanh than cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (dung cong)) thanh than cau*.