Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
phat loc » hau loc, nhat loi, phap lo
te sach » toc sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
hanh le » thanh le, hanh ve, hanh de
cuu tre » cua tre, cau tren, cau treo
loc va » hoc va, luc va

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 mai hoi. lieu va phat loc va ((hanh le) OR (hanh kem)) cuu tre~.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang mai hoi. lieu va phat loc va ((hanh le) or (hanh kem)) cuu tre*.