Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh dong » anh dong, ha dong
hang cong » dang cong, hang nong, bang cong
cong tinh » cong trinh, cong vinh, long tinh
dong cho » dung cho, dong co, dong hoc
cho hang » cho thanh, cho phan, thi hang
toan cau » 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 dong cho hang cong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh dong cho hang cong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh dong cho hang cong tinh toan cau*.