Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
vat nhung » vap nhung, vai nhung, ve nhung
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: doi chieu xanh - canh trinh ((vat nhung) or (va nhung)) cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh trinh ((vat nhung) OR (va nhung)) cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh trinh ((vat nhung) or (va nhung)) cong tan phan cau*.