Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dinh ca » dinh cac, dinh cua, dinh cao
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
tu sach » thu sach, su sach, te sach
y nang » ky nang, ly nang, v nang
tuc va » thuc va, tuc xa, duc va
me hoi » le hoi
ca cua » co cua

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 y nang ((me hoi) or (ma hoa)). hieu va cac ((tuc va) OR (truc va)) dinh ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((me hoi) OR (ma hoa)). hieu va cac ((tuc va) OR (truc va)) dinh ca cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ((me hoi) or (ma hoa)). hieu va cac ((tuc va) OR (truc va)) dinh ca cua triet*".