Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
phau thong » phap thong, khau thong, phan thong
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
phu thong » pho thong, phap thong, khau thong
khoa phau » hoa phan, khoa kham, khoa than
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » hang khoa
khoa phu » khoa thu, hoa phu, khoe phu
danh tam » danh nam, dinh tam, canh tam
tam thuc » tham thuc, am thuc, nam thuc
so sach » so sanh, bo sach, co sach
so danh » do danh, so sanh, so dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach nham thuc anh khoa phu thong ) or ( so danh tam thuc doanh khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach nham thuc anh khoa phu thong ) OR ( so danh tam thuc doanh khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach nham thuc anh khoa phu thong ) or ( so danh tam thuc doanh khoa phau thong ))*.