Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((x hoi) OR (x ho)). hieu ve cham ((luc va) OR (tuc va)) thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((x hoi) OR (x ho)). hieu ve cham ((luc va) OR (tuc va)) thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((x hoi) OR (x ho)). hieu ve cham ((luc va) OR (tuc va)) thanh vi cua tre*.