Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
phu thong » pho thong, phap thong, khau thong
bach khoa » anh khoa
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
hoa thong » hoa trong, hoa khong, hoa thon
sach dao » lanh dao
tuc bach » truc bach, trac bach, tuc cac
khoa phu » khoa phau, khoa thu, hoa phu
khoa hoa » khoa khoa, khoa hoc, khoa hoi
tu sach » thu sach, su sach, tu cach
dao tuc » dao duc
te sach » toc sach

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 dao tuc bach khoa phu thong ) or ( te sach nham thuc doanh khoa hoa thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach dao tuc bach khoa phu thong ) OR ( te sach nham thuc doanh khoa hoa thong ))*.