Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, le thanh
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hai cuc » tai cuc, hai cua, thai cua
va tinh » may tinh
cua tre » cuu tre, cua triet, dua tren
va hai » van hai, va chai, va khai
cua te » cua tu

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: vu sach ky nang xa hoi. lieu va hai cuc ((va thanh) OR (va tinh)) le ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. lieu va hai cuc ((va thanh) OR (va tinh)) le ((cua tre) or (cua te))~".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. lieu va hai cuc ((va thanh) OR (va tinh)) le ((cua tre) or (cua te))*.