Perhaps you should try some spelling variations:
sach khoan » cac khoan, bach khoa, sach han
thuat sach » thuat lanh, thuat san
khoan phai » khong phai, khoa phau, khoan hoi
phai thong » phap thong, phai tuong, phan thong
dao thuat » dao phat, va thuat, cac thuat
thuc toan » thuc trang, thuat toan, thuc thanh
thi hanh » thi thanh
khoa hoa » khoa khoa, khoa hoc, khoa hoi
hoa thon » hoa trong, khoa than, hoa khong
manh dao » lanh dao, minh dao, hanh dao
hanh co » anh co, danh co, hanh mo
co thuc » do thuc, co thua, mo thuc
tu manh » tu minh, tu hanh, vu manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thi hanh co thuc toan khoa hoa thon ) or ( tu manh dao thuat sach khoan phai thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thi hanh co thuc toan khoa hoa thon ) OR ( tu manh dao thuat sach khoan phai thong )).
• Adding a wildcard symbol may retrieve word variants: (( thi hanh co thuc toan khoa hoa thon ) or ( tu manh dao thuat sach khoan phai thong ))*.