Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang cau » hang dau, hang ca, nhung cau
qua cham » qua hai, qua cac, va cham
tu sach » thu sach, su sach, te sach
y hang » ly hang, ty hang, yu hang
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di 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 hang cau hoi. hieu qua cham ((xuc va) or (tuc va)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y hang cau hoi. hieu qua cham ((xuc va) OR (tuc va)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y hang cau hoi. hieu qua cham ((xuc va) or (tuc va)) hanh vi cua triet*.