Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
cuu tre » cau tren, cau treo
nang xa » lang xa, nang ma, mang xa
cua tre » cua te, cua triet, dua tren
hieu ve » hieu va, hieu van
tu sai » tu bai, tu san, tu cai
cam tu » cam thu, nam tu, dam tu
sai ky » sac ky
ve cam » ve cham, ve cac, va cam

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 sai ky ((nang xa) OR (nang x)) hoi. hieu ve cam tu va thanh vi ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky ((nang xa) OR (nang x)) hoi. hieu ve cam tu va thanh vi ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky ((nang xa) OR (nang x)) hoi. hieu ve cam tu va thanh vi ((cua tre) or (cuu tre))*.