Perhaps you should try some spelling variations:
doi chieu » doc hieu, ho chieu, mot chieu
canh sinh » canh tinh, canh binh, tinh sinh
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
vat dung » van dung, va dung, viet dung
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
doi chi » doi khi

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) or (doi chi)) xanh - canh sinh vat dung cong doan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) xanh - canh sinh vat dung cong doan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (doi chi)) xanh - canh sinh vat dung cong doan ((phan cau) or (phan cac))*.