Perhaps you should try some spelling variations:
khoan theo » soan theo, hoa theo, chan theo
theo thong » theo phong, theo phuong, theo chuong
toan tri » toan tai, tran tri, toan toi
tri thac » tri thuc, tri tac, tri tham
thac cac » thoai cac, thanh cac, thuc cach
khoan he » khoa he, khoan ke, khoan le
thu cac » tu cac, thu xac, thu cuc
bai tuc » bai tu, bai thuoc, dai thuc
tuc cac » tu cac, tich cac

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

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