Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
khai sang » kha nang, nha sang, thai bang
trinh vat » trinh van, trinh luat, sinh vat
dang cong » dung cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
doi khai » doi khi, toi khai, doi khang
vat dang » van dang, vat dung, va dang
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 khai sang - canh trinh vat dang cong doan phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi khai sang - canh trinh vat dang cong doan phan dau*.