Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
sach tham » sach nha
tham thuc » nham thuc, pham thuc, tam thuc
thu thong » thuy thong, thu thang, thu tuong
phan tong » phan trong, phan cong, han tong
khoa thu » khoa than, hoai thu, ho thu
thu sach » tu sach, thuat sach, thuoc sach
sach dao » lanh dao
tuc cach » thuc cach, tuc cac, tu cach
cach hoa » cach hoan, cach hoc, bach hoa
hoa phan » hoa dan, co phan
so sach » so sanh, bo sach, co sach
dao tuc » dao duc

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 tham thuc doanh khoa thu thong ) or ( thu sach dao tuc cach hoa phan tong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach tham thuc doanh khoa thu thong ) OR ( thu sach dao tuc cach hoa phan tong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach tham thuc doanh khoa thu thong ) or ( thu sach dao tuc cach hoa phan tong ))*.