Perhaps you should try some spelling variations:
vu khanh » vu thanh, van khanh, duy khanh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
va cao » va cac, va co, va dao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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

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