Perhaps you should try some spelling variations:
khoai chau » khoa chau, khoa phau, hai chau
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nang cong » nang song, dang cong, bang cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban
ho chau » ho chu, o chau, khoa chau
ha chau » hat chau, a chau, lai chau
tinh va » tich va, trinh van, trinh vat
va nang » van nang, da nang, cam nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((ho chau) or (khoai chau))) or (ha chau)) tinh - nhanh tinh va nang cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chau) OR (khoai chau))) OR (ha chau)) tinh - nhanh tinh va nang cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((((ho chau) or (khoai chau))) or (ha chau)) tinh - nhanh tinh va nang cong tac toan ban*.