Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
vu sach » vu bach, su sach, vu khach
va cham » va tham
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
y hang » ly hang, ty hang, yu hang
luc va » duc va, tuc va, loc va
ma hoi » mai hoi, xa hoi, me hoi
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: vu sach y hang ((ma hoi) or (ma hoa)). hieu ((va cham) or (va chat)) luc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y hang ((ma hoi) OR (ma hoa)). hieu ((va cham) OR (va chat)) luc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y hang ((ma hoi) or (ma hoa)). hieu ((va cham) or (va chat)) luc va thanh vi cua tre*.