Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh cua » manh cua, hang cua, hanh sua
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
cua cua » cua chua, ca cua, qua cua
y nang » ky nang, ly nang, v nang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
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: su sach y nang xa hoi. hieu ((ve cam) OR (ve cac)) luc va hanh cua cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu ((ve cam) OR (ve cac)) luc va hanh cua cua triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ((ve cam) OR (ve cac)) luc va hanh cua cua triet*.