Perhaps you should try some spelling variations:
sang tao » hang tai
sang ma » tang ma, nang ma, mang may
va hanh » van hanh, va thanh, va danh
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
tu sac » tu sach, tu cac, tu san
ve cam » ve cham, ve cac, va cam
sac ky » cac ky, sai ky
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((sang ma) or (sang tao)) hoi. hieu ve cam xuc va hanh vi ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((sang ma) OR (sang tao)) hoi. hieu ve cam xuc va hanh vi ((cua te) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((sang ma) or (sang tao)) hoi. hieu ve cam xuc va hanh vi ((cua te) OR (cua tu))*".