Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung dap » trung cap, trung dai, trung dam
cong vang » cong lang, cong quang, cong ngang
ho chieu » hoc thieu, doi chieu, mot chieu
dap dung » ap dung, dan dung, dap ung
cong van » cong san, song van, cong tan
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: ((ho chieu) or (theo chieu)) xanh - thanh trung dap dung ((cong van) OR (cong vang)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung dap dung ((cong van) OR (cong vang)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh trung dap dung ((cong van) OR (cong vang)) toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh trung dap dung ((cong van) OR (cong vang)) toan tap*.