Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
sang tao » hang tai
tao khoi » tao hoi, thao khoa, lao khoa
tvan tai » toan tai, tan tai, tuan tai
tu sach » thu sach, su sach, te sach
van tai » von tai, van tuan
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
nam tu » nam thu, nam thuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky sang tao khoi. lieu va ((nam tu) or (nam thuoc)) xa ((van tai) or (tvan tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky sang tao khoi. lieu va ((nam tu) OR (nam thuoc)) xa ((van tai) OR (tvan tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang tao khoi. lieu va ((nam tu) or (nam thuoc)) xa ((van tai) or (tvan tai)) cua tre*.