Perhaps you should try some spelling variations:
khau thong » khau thuong, khap thong, khau tong
thuc toan » thuc trang, thuat toan, thuc thanh
khoa khau » khoa kham, khoa phau, khoa chau
thuat san » thuat toan, thuat song, thuat lanh
sach tri » sach tai, sach tren, sach truc
tri thuc » tri tue
thu thuc » thuc thuc, thu thuoc, thue thuc
thuc cac » thuc cach, tuc cac, phuc cac
khoan he » khoa he, khoan ke, khoan le
su sach » so sach, vu sach
san thu » san thuc, van thu, san phu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su sach tri thuc toan khoa khau thong ) or ( thuat san thu thuc cac khoan he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tri thuc toan khoa khau thong ) OR ( thuat san thu thuc cac khoan he thong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tri thuc toan khoa khau thong ) or ( thuat san thu thuc cac khoan he thong ))*.