Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
ty nang » ky nang, ty xang, ly nang
ty hang » ly hang, ty xang, thi hang
hieu ve » hieu va, hieu van
dinh su » hinh su, dinh cu, dinh du
te sach » toc sach
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va
o hoi » co hoi, o hoc, o hai

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

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