Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
doanh khoa » toan khoa
tien doanh » trien doanh, lien doanh, toan doanh
thi doanh » tri doanh, thi oanh, thi doan
khoa phau » hoa phan, khoa kham, khoa than
sach tri » sach tai, sach tren, sach truc
tu sach » thu sach, su sach, te sach
tri thi » tri tai, tai thi, thi thi
tu tien » tu tieng, thu tien, tu thien
tu anh » tu hanh, tu manh, thu anh
anh tu » anh tuan

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 tri thi doanh khoa phau thong ) or ( tu anh tu tien doanh khoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tri thi doanh khoa phau thong ) OR ( tu anh tu tien doanh khoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tri thi doanh khoa phau thong ) or ( tu anh tu tien doanh khoa phau thong ))*.