Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
hanh doi » thanh doi, hanh noi, hang doi
van hanh » van thanh, ban hanh, van anh
lang van » dang van, tang van, hoang van
te sach » toc sach
doi cua » dai cua, hoi cua
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
cam lo » nam lo, cam ly, cam o
ca o » co o, va o

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: te sach ky ((nang xa) OR (lang van)) hoi. hieu van ((ca o) OR (cam lo)) van hanh doi cua tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xa) or (lang van)) hoi. hieu van ((ca o) or (cam lo)) van hanh doi cua tre*.