Perhaps you should try some spelling variations:
thanh le » thinh le, thanh ve, thanh de
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
te sach » toc sach
luc va » duc va, tuc va
loc va » hoc va
le cua » ly cua
tu sac » tu sach, tu cac, tu san

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (te sach)) ky nang xa hoi. hieu va cac ((luc va) OR (loc va)) thanh le cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (te sach)) ky nang xa hoi. hieu va cac ((luc va) OR (loc va)) thanh le cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (te sach)) ky nang xa hoi. hieu va cac ((luc va) OR (loc va)) thanh le cua tre*.