Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doc sach » toc sach, nuoc sach, dac sac
hoc sach » hoc sinh, hoc cac, hoc anh
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham tuc » nham thuc, pham thuc, tham thuc
danh sai » dung sai, danh bat, danh dau
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
sai cua » dai cua, hai cua, lai cua
tuc va » thuc va, truc va, tuc xa

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

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