Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » lieu tinh, chau tinh, kieu tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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 (trieu tinh)))) - canh tranh cua dung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu tinh) OR (trieu tinh)))) - canh tranh cua dung cong tan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (((chieu tinh) OR (trieu tinh)))) - canh tranh cua dung cong tan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu tinh) OR (trieu tinh)))) - canh tranh cua dung cong tan phan cau*.