Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
hieu sau » hieu suat, tieu su, hieu va
phat xuc » chat xuc, phat xuat, phap xu
hieu su » tieu su, hieu so, hieu suat
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
tai hoi » tai khoi, dai hoi, tai hai
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu sai » tu bai, tu san, tu cai
tu bat » tu ban, tu dat
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 sai) or (tu bat)) ky sang tai 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 sai) OR (tu bat)) ky sang tai 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 sai) or (tu bat)) ky sang tai hoi. ((hieu su) OR (hieu sau)) phat xuc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu bat)) ky sang tai hoi. ((hieu su) OR (hieu sau)) phat xuc va hanh vi cua te*.