Perhaps you should try some spelling variations:
thuoc dang » thuoc dung, thuoc khang, thuc dan
phan thong » phan thuong, phan hong, phan tong
tri thuoc » tri thuc, tri hoc, tin thuoc
dang khoa » dung khoa, hang khoa, dang khoi
phu thong » pho thong, phap thong, khau thong
sach tien » sach tren, sach thieu
tien thuc » trien thuc, kien thuc, bien thuc
cach tri » cach thoi, cac tro, cach noi
khoa phu » khoa phau, khoa thu, hoa phu
thuc san » thuc dan, thuy san, thu san
hoa phan » hoa dan, co phan
tu cach » tu cac
su sach » so sach, vu sach
san hoa » san khoa, van hoa, son hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach tri thuoc dang khoa phu thong ) or ( su sach tien thuc san hoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach tri thuoc dang khoa phu thong ) OR ( su sach tien thuc san hoa phan thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu cach tri thuoc dang khoa phu thong ) or ( su sach tien thuc san hoa phan thong ))*.