Perhaps you should try some spelling variations:
chieu xanh » chieu sach, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, hieu lang, nhieu tang
manh dung » manh hung, manh tung, anh dung
luan dung » lan dung, luan dong, luan hung
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: hoc ((((chieu xanh) or (chieu tinh))) or (chieu sang)) - manh dung luan dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (chieu tinh))) OR (chieu sang)) - manh dung luan dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) or (chieu tinh))) or (chieu sang)) - manh dung luan dung cong tac toan cau*.