Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
thanh le » thinh le, thanh ve, thanh de
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac luc » cau luc, coc luc, cac nuoc
cua tre » cua te, cuu tre, dua tren
tu sac » tu sach, tu cac, tu san
luc va » duc va, tuc va, loc va

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 thanh le ((cua tre) OR (cua triet))~.
• 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 thanh le ((cua tre) OR (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (te sach)) ky nang xa hoi. hieu va cac luc va thanh le ((cua tre) OR (cua triet))*.