Perhaps you should try some spelling variations:
cach khoan » cach hoan, bach khoa, coc khoan
khoan phau » khoa phau, khoan phai, khoa chau
phau thong » phap thong, khau thong, phan thong
thu doanh » thu oanh, tri doanh, thu hoach
doanh thu » doanh tai
khoan pho » khoan nhoi, khoan phai, khoan hoi
pho thong » he thong
thuc cach » thuoc sach, truoc cach, thuc hanh
sach bao » sach dao, sach bai, sach bac
bao thuc » cao thuoc, am thuc, va thuc
thu tue » thu thue, thu tuc, thu tu
tue cac » tu cac, tuc cac, te 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: (( thu doanh thu tue cac khoan pho thong ) or ( te sach bao thuc cach khoan phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thu doanh thu tue cac khoan pho thong ) OR ( te sach bao thuc cach khoan phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( thu doanh thu tue cac khoan pho thong ) or ( te sach bao thuc cach khoan phau thong ))*.