Perhaps you should try some spelling variations:
thuat doanh » thuat toan, luat doanh, thuat lanh
thuc thuoc » thuc thuc, truc thuoc, thu thuoc
thuoc dung » hoc dung, thuy dung
khau thong » khau thuong, khap thong, khau tong
doanh khoa » toan khoa
cach thuc » anh thuc, cac thu
dung khoa » dung cho
khoa khau » khoa kham, khoa phau, khoa chau
tri thuat » trien thuat, ki thuat, tri thuc
sach tri » sach tai, sach tren, sach truc
va cach » va cac
te sach » toc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( va cach thuc thuoc dung khoa khau thong ) or ( te sach tri thuat doanh khoa khau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( va cach thuc thuoc dung khoa khau thong ) OR ( te sach tri thuat doanh khoa khau thong )).
• Adding a wildcard symbol may retrieve word variants: (( va cach thuc thuoc dung khoa khau thong ) or ( te sach tri thuat doanh khoa khau thong ))*.