Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac luc » cau luc, coc luc, cac nuoc
tu sac » tu sach, tu cac, tu san
luc va » duc va, tuc va, loc va
ve cac » va cac, vien cac

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