Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
toc sach » hoc sach, doc sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
su triet » su viet, su tien, ve triet
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, vuc van
va cam » va cham, va cac, va cao

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

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