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
ve cham » va cham, ve chat, vu cham
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
su sach » so sach
luc va » duc va, tuc va, loc va
ve cam » ve cac, va cam, ve cai

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 hoi. hieu ((ve cam) OR (ve cham)) 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 hoi. hieu ((ve cam) OR (ve cham)) 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 hoi. hieu ((ve cam) OR (ve cham)) luc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ly nang xa hoi. hieu ((ve cam) OR (ve cham)) luc va hanh dai cua triet*.