Perhaps you should try some spelling variations:
sau phat » su phat, dau phat, sau phau
sang tai » sang tao, tang tai, sang than
hang tai » hang va, dung tai
sang mai » sang ma, lang mai, hoang mai
phat xuc » chat xuc, phat xuat, phap xu
hieu sau » hieu su, hieu suat, tieu su
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
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 ky ((((sang tai) or (hang tai))) or (sang mai)) hoi. hieu sau phat xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((((sang tai) OR (hang tai))) OR (sang mai)) hoi. hieu sau phat xuc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: tu san ky ((((sang tai) or (hang tai))) or (sang mai)) hoi. hieu sau phat xuc va hanh vi cua te*.