Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh cua » manh cua, hang cua, hanh sua
cam luc » cam xuc, cau luc
cua cua » cua chua, ca cua, qua cua
va hanh » van hanh, va thanh, va danh
vu sach » vu bach, su sach, vu khach
hieu ve » hieu van
hieu va » lieu va, hieu qua
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) OR (hieu va)) ((cam luc) or (cau truc)) va hanh cua cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. ((hieu ve) OR (hieu va)) ((cam luc) OR (cau truc)) va hanh cua cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang xa hoi. ((hieu ve) OR (hieu va)) ((cam luc) or (cau truc)) va hanh cua cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. ((hieu ve) OR (hieu va)) ((cam luc) or (cau truc)) va hanh cua cua triet*.