Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hoc sach » hoc sinh, hoc cac, hoc anh
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
hieu va » lieu va, hieu qua
toc sac » toc sach, toc san, doc sach
nang xa » nang x, lang xa, nang ma
cam luc » cam xuc, cau luc
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
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: ((toc sac) OR (hoc sach)) ky nang xa hoi. hieu va cam luc va danh vi ((cua te) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sac) OR (hoc sach)) ky nang xa hoi. hieu va cam luc va danh vi ((cua te) or (va triet))~".
• Adding a wildcard symbol may retrieve word variants: ((toc sac) OR (hoc sach)) ky nang xa hoi. hieu va cam luc va danh vi ((cua te) or (va triet))*.