Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nha thuoc
thuoc sinh » hoc sinh, thu sinh, thuoc sach
phan thong » phan thuong, phan hong, phan tong
sach tham » sach nha
sach trac » sach truc, sach tranh, sach tren
tho thong » theo thong, pho thong, tao thong
trac hoc » toan hoc, thai hoc, toc hoc
tu sach » thu sach, su sach, tu cach
sinh va » sinh vat, tinh va, dinh van
va phan » van phan, va phat, va phap
te sach » toc sach
hoc anh » hoc nganh, hoc nhanh, ngoc anh
anh can » anh van, anh ca, anh cam
can tho » can thi, can ho, dan tho

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 tham thuoc sinh va phan thong ) or ( te sach trac hoc anh can tho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tham thuoc sinh va phan thong ) OR ( te sach trac hoc anh can tho thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tham thuoc sinh va phan thong ) or ( te sach trac hoc anh can tho thong ))*.