Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
truoc cach » cuoc cach, thuc cach, truoc cang
tai thuong » tai phuong, tai truong, thi thuong
phu thong » pho thong, phap thong, khau thong
dao truoc » dao tuc, cao thuoc, dao cuoc
cach thoi » cac thoi, cach thuc, cach noi
sach dao » lanh dao
dao thuc » dan thuc, dao tuc, do thuc
khoa phu » khoa phau, khoa thu, hoa phu
thoi tai » thoi dai, hoi tai, phoi tai
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach dao thuc doanh khoa phu thong ) or ( tu sach dao truoc cach thoi tai thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach dao thuc doanh khoa phu thong ) OR ( tu sach dao truoc cach thoi tai thuong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach dao thuc doanh khoa phu thong ) or ( tu sach dao truoc cach thoi tai thuong ))*.