Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, 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 xanh - ((thanh trung) or (canh tranh)) cua thong thong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((thanh trung) OR (canh tranh)) cua thong thong dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((thanh trung) or (canh tranh)) cua thong thong dan than cao*.