Perhaps you should try some spelling variations:
sanh tren » sach tren, lanh tren, sinh tren
tren thuc » trien thuc, tron thuc, trinh thuc
phu thong » pho thong, phap thong, khau thong
chuc danh » chuc nganh, thuc hanh, chuc nang
danh khoa » doanh khoa, danh hoa, dinh khoa
thuc anh » thuc hanh, thuy anh, thu anh
anh khoa » doanh khoa, hang khoa
khoa phu » khoa phau, khoa thu, hoa phu
sach bao » sach dao, sach bai, sach bac
bao chuc » bao thuc, bao chuoi, bao che
so sanh » do sanh
su sach » so sach, vu sach
khoa he » hoa he, khoa hoc, khong he

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh tren thuc anh khoa phu thong ) OR ( su sach bao chuc danh khoa he thong ))~.
• Adding a wildcard symbol may retrieve word variants: (( so sanh tren thuc anh khoa phu thong ) or ( su sach bao chuc danh khoa he thong ))*.