Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, mot chieu
trinh van » trinh han, trinh quan, trinh toan
dung cong » dung trong
cong hoan » cong hoa, dong hoa, cong san
hoan phan » hoa phan, toan phan, doan 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 tinh - hanh ((trinh van) or (thanh toan)) dung cong hoan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh ((trinh van) OR (thanh toan)) dung cong hoan phan cau*.