Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
kham thong » khap thong, khau thong, pham thuong
truc truoc » truc thuoc, tuc truoc
truoc cach » cuoc cach, thuc cach, truoc cang
cach khoan » cac khoan, cach hoan, bach khoa
khoa kham » kho khan, khoa than
sach truc » cach thuc, sach tren, sach thu
sach tri » sach tai, sach tren, sach bai
tri thuc » tri tue
khoan he » khoa he, khoan ke, khoan le
su sach » so sach
vu sach » vu bach, vu khach

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 doanh khoa kham thong ) or ( vu sach truc truoc cach khoan he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tri thuc doanh khoa kham thong ) OR ( vu sach truc truoc cach khoan he thong )).
• Adding a wildcard symbol may retrieve word variants: (( su sach tri thuc doanh khoa kham thong ) or ( vu sach truc truoc cach khoan he thong ))*.