Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hanh tung » thanh tung, manh tung, hanh dung
cong tap » cuong tap, cong tac, cong tan
tap tren » lap tren, tac tren, tai tren
tren tau » tren thuc, tren may, tren dat

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 - ((hanh tung) or (canh tranh)) va nhung cong tap tren tau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((hanh tung) OR (canh tranh)) va nhung cong tap tren tau*.