Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, tu cach
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
te sach » toc sach
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. ((hieu ve) OR (hieu va)) cam xuc va hanh vai cua triet*.