Perhaps you should try some spelling variations:
sinh duoc » sinh hoc, minh duc
tay nguoi » toc nguoi, dao nguoi
tap nguoi » gap nguoi, tac nguoi, giap nguoi
thu sach » tu sach, thuat sach, thuoc sach
dung tay » dung tai, dung may, vung tay
duoc tap » duoc thao, hoc tap, tuc tap
te sinh » ve sinh, he sinh, ke sinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thu sach dung tay nguoi ) or ( te sinh duoc tap nguoi ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu sach dung tay nguoi ) OR ( te sinh duoc tap nguoi )).
• Adding a wildcard symbol may retrieve word variants: (( thu sach dung tay nguoi ) or ( te sinh duoc tap nguoi ))*.