Perhaps you should try some spelling variations:
danh thanh » dinh thanh, dang thanh, nhanh thanh
thuoc danh » thuoc dang, thuoc thanh, thuc dan
thanh phan » thanh pho, thanh san, thanh toan
nam thuoc » nam thuc, nam thu, nha thuoc
toc sach » hoc sach, doc sach, thuoc sach
tay lang » tai lang, tay tang, tay quang
hieu van » hieu va, thien van, lieu va
phan cua » nhan cua, than cua, phat cua
ky tang » ky nang, ky dang, kho tang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((tay lang) or (ky tang)) xa hoi. hieu van nam thuoc danh thanh phan cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((tay lang) OR (ky tang)) xa hoi. hieu van nam thuoc danh thanh phan cua te.
• Adding a wildcard symbol may retrieve word variants: toc sach ((tay lang) or (ky tang)) xa hoi. hieu van nam thuoc danh thanh phan cua te*.