Perhaps you should try some spelling variations:
vu khanh » vu thanh, van khanh, duy khanh
cham xuc » cam xuc, chat xuc, cham soc
vu sach » vu bach, su sach, vu khach
va cham » va chat, va tham
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
xuc va » duc va, tuc va, luc va
nang o » nang co, nang ho, nang ro
vi cua » di cua
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sach) or (vu khanh)) ky nang o hoi. hieu va cham xuc va hanh ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (vu khanh)) ky nang o hoi. hieu va cham xuc va hanh ((vi cua) OR (vai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (vu khanh)) ky nang o hoi. hieu va cham xuc va hanh ((vi cua) or (vai cua)) tre*.