Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
nang cong » nang song, dang cong, bang cong
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
ha chau » hat chau, a chau, lai chau
tinh va » tich va, trinh van, trinh vat
va nang » van nang, da nang, cam nang
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chu) or (ha chau)) tinh - nhanh tinh va nang cong tac ((toan cau) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chu) OR (ha chau)) tinh - nhanh tinh va nang cong tac ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chu) or (ha chau)) tinh - nhanh tinh va nang cong tac ((toan cau) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chu) or (ha chau)) tinh - nhanh tinh va nang cong tac ((toan cau) OR (toan ban))*.