Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
hanh vai » hanh vi, hanh va, hanh tai
nang xa » lang xa, nang ma, mang xa
van cac » van hac, van cau, van bac
cac luc » cau luc, coc luc, cac nuoc
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y ((nang xa) or (nang x)) hoi. hieu van cac luc va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y ((nang xa) OR (nang x)) hoi. hieu van cac luc va hanh vai cua triet.
• Adding a wildcard symbol may retrieve word variants: thuat sach y ((nang xa) or (nang x)) hoi. hieu van cac luc va hanh vai cua triet*.