Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
doanh va » doan va, doanh tai, doanh cua
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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 - canh doanh va nhung cong tan ((phan cac) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh doanh va nhung cong tan ((phan cac) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh doanh va nhung cong tan ((phan cac) or (phan dau))*.