Perhaps you should try some spelling variations:
phau thong » phap thong, khau thong, phan thong
sach nham » sach nha, sach tham, sach han
nham thuc » nhan thuc, nam thuc, nham thu
hanh khoa » hang khoa, anh khoa, hanh hoa
phu thong » pho thong, phap thong, khau thong
chuc danh » chuc nganh, chuc nang, thuc dan
khoa phu » khoa phau, khoa thu, hoa phu
hanh tam » thanh tam, nhanh tam, hanh tram
tam chuc » tam thuc, pham chuc, lam chu
danh hoa » thanh hoa, khanh hoa, nganh hoa
hoa phau » khoa phau, hoa phan, hoa phat
so sach » so sanh, bo sach, co sach
so hanh » so sanh, so danh, co hanh

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 nham thuc hanh khoa phu thong ) or ( so hanh tam chuc danh hoa phau thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach nham thuc hanh khoa phu thong ) OR ( so hanh tam chuc danh hoa phau thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sach nham thuc hanh khoa phu thong ) or ( so hanh tam chuc danh hoa phau thong ))*.