Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
hang cua » mang cua, hang ca, huong cua
vu sach » vu bach, su sach, vu khach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
loc va » hoc va
luc va » duc va, tuc va
ve cam » ve cham, ve cac, va cam

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