Perhaps you should try some spelling variations:
thuc doanh » thuc hanh, thuc dan, chuc danh
doanh khoa » toan khoa
phan thong » phan thuong, phan hong, phan tong
thung nang » thong nang, thuong lang, nhung lang
sanh thai » sinh thai, anh thai, nhanh thai
thai thuc » thai thuy, thai tuc, tham thuc
khoa phan » hoa phan, khoa than, khoa phau
dao thung » dao trung, cao thuong, dao phuong
nang khoa » hang khoa, dang khoa, nang hoa
pho thong » he thong
sach dao » lanh dao
khoa pho » khoa phu, khoa khoa, khoa phau
so sanh » do sanh
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 sanh thai thuc doanh khoa phan thong ) or ( tu sach dao thung nang khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh thai thuc doanh khoa phan thong ) OR ( tu sach dao thung nang khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( so sanh thai thuc doanh khoa phan thong ) or ( tu sach dao thung nang khoa pho thong ))*.