Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
khoan phan » khoan phai, khoan thanh, hoa phan
phan cong » thanh cong
cach tham » sach tham, cach thuc, cach pha
tham thuc » nham thuc, pham thuc, tam thuc
thuc toan » thuc trang, thuat toan, thuc thanh
khoa phan » hoa phan, khoa than, khoa phau
sach dan » sach danh, sach dao, sach dat
te sach » toc sach
dan tuc » dan thuc, dan toc, dao tuc
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: (( te sach dan tuc cac khoan phan cong ) or ( cuoc cach tham thuc toan khoa phan thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach dan tuc cac khoan phan cong ) OR ( cuoc cach tham thuc toan khoa phan thuong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach dan tuc cac khoan phan cong ) or ( cuoc cach tham thuc toan khoa phan thuong ))*.