Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, sang mai
pham xuc » pham duc, pham cuc, pham xuan
ky sang » ky nang, ky dang, ky tang
dai hoi » dai hoc, dai hai, dai moi
hieu su » hieu sau, tieu su, hieu so
su pham » san pham
va hanh » van hanh, va thanh, va danh
tu sai » tu san, tu cai, tu lai
tu bai » tu ban, tu bat, te bai
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua
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 bai)) ky sang dai hoi. hieu su pham xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sai) OR (tu bai)) ky sang dai hoi. hieu su pham xuc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu bai)) ky sang dai hoi. hieu su pham xuc va hanh vi cua te*.