Perhaps you should try some spelling variations:
hieu sau » hieu suat, tieu su, hieu va
tang dai » tang tai, tang dan, lang dai
danh vai » danh sai, danh va, doanh van
chat luc » chat xuc, chat lua, nhan luc
va danh » va dinh, va dan, va hanh
ky tang » ky nang, ky dang, kho tang
dai hoi » dai hoc, dai hai, dai moi
hieu su » tieu su, hieu so, hieu suat
tu sai » tu bai, tu san, tu cai
luc va » duc va, tuc va, loc va
sai ky » sac ky
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky tang dai hoi. ((hieu su) or (hieu sau)) chat luc va danh vai ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky tang dai hoi. ((hieu su) OR (hieu sau)) chat luc va danh vai ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky tang dai hoi. ((hieu su) or (hieu sau)) chat luc va danh vai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: tu sai ky tang dai hoi. ((hieu su) or (hieu sau)) chat luc va danh vai ((cua te) OR (cua tu))*.