Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
cam thu » nam thu, cac thu, ca thu
tang ma » tang van
vi cua » vai cua, di cua
thu va » thuc va, thue va, tu va
va cam » va cham, va cac, va cao
nam ky » nam ly
cam ky » cao ky, cac ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((nam ky) OR (cam ky)) ((mang may) OR (tang ma)) hoi. hieu va cam thu va thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((nam ky) OR (cam ky)) ((mang may) or (tang ma)) hoi. hieu va cam thu va thanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((nam ky) OR (cam ky)) ((mang may) or (tang ma)) hoi. hieu va cam thu va thanh vi cua tre*.