Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
cong doanh » cong danh, cong doan, dong doanh
chau tinh » cuu tinh, ha tinh, cua tinh
dang cong » dung cong
trinh vu » trinh va, trinh ve, trinh vi
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau
vu dang » su dang, vu quang, cua dang

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) or (chau tinh)) - canh trinh vu dang cong doanh ((phan cac) OR (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chau tinh)) - canh trinh vu dang cong doanh ((phan cac) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu tinh) or (chau tinh)) - canh trinh vu dang cong doanh ((phan cac) OR (phan lap))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (chau tinh)) - canh trinh vu dang cong doanh ((phan cac) OR (phan lap))*.