Perhaps you should try some spelling variations:
khan thong » khap thong, khau thong, nhan thong
thuc doanh » thuc hanh, thuc dan, chuc danh
phan thong » phan thuong, phan hong, phan tong
doanh kho » doanh khoa, doanh cho, doanh nho
thuc cach » thuoc sach, truoc cach, thuc hanh
sach dan » sach danh, sach dat, sach han
dan thuc » dan toc, am thuc
kho khan » khoa kham, khoa than
thu sach » thuat sach, thuoc sach, thu hoach
sach dao » lanh dao
dao thuc » dao tuc, do thuc, bao thuc
cach hoa » cach hoan, cach hoc, bach hoa
hoa phan » hoa dan, co phan
tu sach » su sach, te sach, tu cach

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 dan thuc doanh kho khan thong ) or ( thu sach dao thuc cach hoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach dan thuc doanh kho khan thong ) OR ( thu sach dao thuc cach hoa phan thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach dan thuc doanh kho khan thong ) or ( thu sach dao thuc cach hoa phan thong ))*.