Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
trung hoc » trung quoc
ho chieu » theo chieu, hoc thieu, doi chieu
trung ha » trung tam, trung cap
cong ban » cong bang, cong san, cong tan
than cau » toan cau, than cap, thanh chau
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: ho chieu tinh - thanh ((trung ha) or (trung hoc)) nhung cong ban ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((trung ha) OR (trung hoc)) nhung cong ban ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((trung ha) or (trung hoc)) nhung cong ban ((than cau) or (phan cau))*.