Perhaps you should try some spelling variations:
nguoi doanh » nguoi dan, nguoi thanh, nguoi lanh
doanh khoa » toan khoa
phap thong » phap phong, phap chong, phap tieng
nguoi hang » nguoi han, nguoi thanh, nguoi thong
tri nguoi » tri nguon, tren nguoi, toc nguoi
khoa phap » khoa phau, khoan phai, khong phap
hang khoa » dung khoa
pho thong » he thong
sach tri » sach tai, sach tren, sach truc
khoa pho » khoa phu, khoa khoa, khoa phau
so sach » so sanh, bo sach, co sach
tu sach » thu sach, su sach, te sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach tri nguoi doanh khoa phap thong ) or ( tu sach tri nguoi hang khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach tri nguoi doanh khoa phap thong ) OR ( tu sach tri nguoi hang khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach tri nguoi doanh khoa phap thong ) or ( tu sach tri nguoi hang khoa pho thong ))*.