Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
tu sanh » tu hanh, tu manh, tu anh
dan tay » ban tay, dao tay, gian tay
tay hoi » tay ho, tao hoi, tay thai
ve cham » va cham, ve chat, vu cham
tu san » thu san, tu ban, tu can
ky dan » ky dang, ky danh, ke dan

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) or (tu sanh)) ky dan tay hoi. hieu ve cham xuc van hanh vi ((cua su) or (qua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu sanh)) ky dan tay hoi. hieu ve cham xuc van hanh vi ((cua su) OR (qua su)).
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu sanh)) ky dan tay hoi. hieu ve cham xuc van hanh vi ((cua su) or (qua su))*.