Perhaps you should try some spelling variations:
van dung » van dong, xay dung, tin dung
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cua triet, dua tren
dung co » dung cho, dung cong, dung cua
cuu tre » cau tren, cau treo
cam tuc » cam tu, nam thuc, dam thuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma

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. hieu ve ((cam tuc) OR (cam xuc)) van dung co ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. hieu ve ((cam tuc) OR (cam xuc)) van dung co ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. hieu ve ((cam tuc) OR (cam xuc)) van dung co ((cua tre) or (cuu tre))*.