Perhaps you should try some spelling variations:
thanh de » hanh de, thanh ve, thanh do
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
te sach » toc sach
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
de cuu » de 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 (tuc va)) thanh de cuu 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 (tuc va)) thanh de cuu tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (te sach)) ky nang xa hoi. hieu va cac ((luc va) OR (tuc va)) thanh de cuu tre*.