Perhaps you should try some spelling variations:
dohang khoa » doanh khoa, dong khoa, dang khoa
phau thong » phap thong, phan thong, phan thuong
khau thong » khau thuong, khap thong, khau tong
tu dohang » tu dong
khoa phau » hoa phan, khoa kham, khoa than
sach tren » sach tien, sach tranh
hang khoa » dung khoa
khoa khau » khoa kham, khoa chau, khoa khac
tren tue » tren que, tren thuc, tri tue
tue hang » te hang, lue zhang, thuy hang
te bach » thi bach
te sach » toc sach
mai tu » tai tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te bach mai tu dohang khoa phau thong ) or ( te sach tren tue hang khoa khau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te bach mai tu dohang khoa phau thong ) OR ( te sach tren tue hang khoa khau thong )).
• Adding a wildcard symbol may retrieve word variants: (( te bach mai tu dohang khoa phau thong ) or ( te sach tren tue hang khoa khau thong ))*.