Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
cham xuc » cam xuc, chat xuc, cham soc
va triet » va thiet, va trien, ve triet
doc sach » hoc sach, nuoc sach, dac sac
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
xuc va » duc va, tuc va, luc va
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (doc sach)) ky nang xa hoi. hieu ve cham xuc va hanh vi ((cua te) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky nang xa hoi. hieu ve cham xuc va hanh vi ((cua te) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) ky nang xa hoi. hieu ve cham xuc va hanh vi ((cua te) or (va triet))*.