Perhaps you should try some spelling variations:
tham thuoc » pham thuoc, tham thuc, nam thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phan thong » phan thuong, phan hong, phan tong
thuoc sinh » hoc sinh, thu sinh
nha thuoc » nha nuoc, nhan thuc, nha hoc
sinh khoa » sinh hoc, sinh hoat, anh khoa
hoc tieng » hoc hien
sac tham » sach tham, sac thai, hoac tham
sach hoa » sach ha, sach hoi, bach hoa
hoa phan » hoa dan, co phan
thu sach » tu sach, thuat sach, thu hoach
khoa hoc » hoa hoc
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sac tham thuoc sach hoa phan thong ) or ( thu sach nha thuoc sinh khoa hoc tieng ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sac tham thuoc sach hoa phan thong ) OR ( thu sach nha thuoc sinh khoa hoc tieng )).
• Adding a wildcard symbol may retrieve word variants: (( te sac tham thuoc sach hoa phan thong ) or ( thu sach nha thuoc sinh khoa hoc tieng ))*.