Perhaps you should try some spelling variations:
nguoi xanh » nguoi lanh, nguoi anh, nguoi thanh
thuoc sach » hoc sach, nuoc sach, thuat sach
phan thong » phan thuong, phan hong, phan tong
tin thuoc » tin thuong, tin hoc, ban thuoc
sach khoa » bach khoa, sach nha, anh khoa
pho thong » he thong
toc nguoi » con nguoi
xanh khoa » anh khoa, doanh khoa, nganh khoa
khoa phan » hoa phan, khoa than, khoa phau
sach tin » sach tien, sach kinh, sach tren
khoa pho » khoa phu, khoa khoa, khoa phau
sach toc » bach tuoc, sach duoc, sach nuoc
su sach » so sach, vu sach
tu sach » thu sach, te sach, tu cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su sach tin thuoc sach khoa pho thong ) or ( tu sach toc nguoi xanh khoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su sach tin thuoc sach khoa pho thong ) OR ( tu sach toc nguoi xanh khoa phan thong ))*.