Perhaps you should try some spelling variations:
cau luc » cau truc, cau phuc
qua cua » quan cua, quang cua, qua quan
cua cua » cua chua, ca cua, cua cha
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
cam luc » cam xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. hieu ve ((cam luc) or (cau luc)) va hanh ((cua cua) OR (qua cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. hieu ve ((cam luc) OR (cau luc)) va hanh ((cua cua) OR (qua cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang xa hoi. hieu ve ((cam luc) or (cau luc)) va hanh ((cua cua) OR (qua cua)) triet".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. hieu ve ((cam luc) or (cau luc)) va hanh ((cua cua) OR (qua cua)) triet*.