Perhaps you should try some spelling variations:
hanh thuong » khanh thuong, thanh thuong, hang thuong
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
anh thuong » anh huong, hang thuong, tnhh thuong
bang cong » dang cong, bang song, hang cong
dai bang » hai bang, dai dang, dai nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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) or (chieu sang)) - ((hanh thuong) or (anh thuong)) dai bang cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - ((hanh thuong) OR (anh thuong)) dai bang cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - ((hanh thuong) or (anh thuong)) dai bang cong dan toan cao*.