Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
mang xa » lang xa, mang may, dang xay
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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 sach tu ((mang xa) OR (nang x)) hoi. hieu ve cam tuc va hanh vi ((cua tre) OR (cua te))~.
• Adding a wildcard symbol may retrieve word variants: tu sach tu ((mang xa) or (nang x)) hoi. hieu ve cam tuc va hanh vi ((cua tre) or (cua te))*.