Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham xuc » cam xuc, chat xuc, cham soc
dong hoc » dong co, dong luc
dai hoa » dai khoa, dai hoc, dai hoi
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
hieu va » lieu va, hieu qua
dang ha » dong ha, dung ha, lang ha
di hoa » doi hoa, do hoa, bi hoa
tu van » tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu van ky ((dang ha) or (dong hoc)) hoi. hieu va cham xuc van thanh ((di hoa) or (dai hoa)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky ((dang ha) OR (dong hoc)) hoi. hieu va cham xuc van thanh ((di hoa) OR (dai hoa)) viet.
• Adding a wildcard symbol may retrieve word variants: tu van ky ((dang ha) or (dong hoc)) hoi. hieu va cham xuc van thanh ((di hoa) or (dai hoa)) viet*.