Perhaps you should try some spelling variations:
nang dai » nang dau, nang tai, lang dai
phat xuc » chat xuc, phat xuat, phap xu
hieu sau » hieu suat, tieu su, hieu va
thu ban » thu hang
va hanh » van hanh, va thanh, va danh
dai hoi » dai hoc, dai hai, dai moi
hieu su » tieu su, hieu so, hieu suat
tu san » thu san, tu ban, tu can
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

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