Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
va hanh » van hanh, va thanh, va danh
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
vu sach » vu bach, vu khach
nang xa » lang xa, nang ma, mang xa
su sach » so sach
ve cam » ve cham, ve cac, va cam
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: ((vu sach) or (su sach)) ly ((nang xa) OR (nang x)) hoi. hieu ve cam luc va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ly ((nang xa) OR (nang x)) hoi. hieu ve cam luc va hanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (su sach)) ly ((nang xa) OR (nang x)) hoi. hieu ve cam luc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ly ((nang xa) OR (nang x)) hoi. hieu ve cam luc va hanh dai cua triet*.