Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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) or (chieu sach)) - hanh ((trung cua) or (tang cua)) nhung cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sach)) - hanh ((trung cua) OR (tang cua)) nhung cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sach)) - hanh ((trung cua) or (tang cua)) nhung cong tan than cau*.