Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
hanh vai » hanh vi, hanh va, hanh tai
su phat » su pham, tu phat, cuu phat
xu phat » tu phat, cuu phat
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
tai hoi » tai khoi, dai hoi, tai hai
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 phat) OR (xu phat)) xuc va hanh vai 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 phat) OR (xu phat)) xuc va hanh vai 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 phat) OR (xu phat)) xuc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sai) or (tu bat)) ky sang tai hoi. hieu ((su phat) OR (xu phat)) xuc va hanh vai cua te*.