Perhaps you should try some spelling variations:
sang dai » sang tai, lang dai, hoang dai
sang mai » sang ma, sang tai, lang mai
thu san » thuy san, thu ban, phu san
va hanh » van hanh, va thanh, va danh
su pham » san pham
su phat » tu phat, xu phat, cuu phat
san ky » sang ky, van ky, dan ky
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: thu san ky ((sang dai) OR (sang mai)) hai. hieu ((su phat) or (su pham)) xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu san ky ((sang dai) OR (sang mai)) hai. hieu ((su phat) OR (su pham)) xuc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu san ky ((sang dai) OR (sang mai)) hai. hieu ((su phat) or (su pham)) xuc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu san ky ((sang dai) OR (sang mai)) hai. hieu ((su phat) or (su pham)) xuc va hanh vi cua te*.