Perhaps you should try some spelling variations:
chieu lang » chieu sang, hieu lang, chi lang
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
hanh tinh » hanh trinh, thanh tinh, canh tinh
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
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 lang - ((hanh tinh) or (nhanh tinh)) va nhung cong tan ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu lang - ((hanh tinh) OR (nhanh tinh)) va nhung cong tan ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu lang - ((hanh tinh) or (nhanh tinh)) va nhung cong tan ((thanh chau) or (phan cau))*.