Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
dong cua » dung cua, cong cua, huong cua
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va tinh » may tinh
cua tu » cua tuc, cua su, cua cu
va co » vo co

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: te sach ty nang xa hoi. hieu ((te tai) OR (va co)) duc ((va thanh) OR (va tinh)) dong cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu ((te tai) or (va co)) duc ((va thanh) OR (va tinh)) dong cua tu~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ((te tai) or (va co)) duc ((va thanh) OR (va tinh)) dong cua tu*.