Perhaps you should try some spelling variations:
khan thong » khap thong, khau thong, nhan thong
thac doanh » thach hoanh, toan doanh, thai doan
khoan phai » khong phai, khoa phau, khoan hoi
phai thong » phap thong, phai tuong, phan thong
sach thue » sach thu, sach thieu, sach tham
thue thac » thue khac, thue thuc, thue thanh
doanh nho » doanh cho, doanh khoa, doanh nhan
sach tren » sach tien, sach tranh
tren thuc » trien thuc, tron thuc, trinh thuc
nho khan » kho khan, nho kham, nhu khanh
thuc cac » thuc cach, tuc cac, phuc cac
te sach » toc sach
tu sach » thu sach, su 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: (( te sach thue thac doanh nho khan thong ) or ( tu sach tren thuc cac khoan phai thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te sach thue thac doanh nho khan thong ) OR ( tu sach tren thuc cac khoan phai thong )).
• Adding a wildcard symbol may retrieve word variants: (( te sach thue thac doanh nho khan thong ) or ( tu sach tren thuc cac khoan phai thong ))*.