Perhaps you should try some spelling variations:
khan thong » khap thong, khau thong, nhan thong
phap phong » hai phong, phap phan
hoc ngang » hoc nganh, hoc nang, hoc nhanh
ngang tho » ngang cho, nguong tho, ang tho
thuc khoa » hoc khoa, chua khoa, thuc ha
thoa phap » thuoc phap, hoa phan, hoc phap
tho khan » kho khan, tho than, thi khan
cac thuc » cach thuc, cac thu, can thuc
khoa anh » khoan danh, khoa hinh, khoa sach
anh thoa » anh khoa, anh tho, anh thong
bai hoc » dai hoc
su cac » su cao, su can, eu cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( su cac bai hoc ngang tho khan thong ) or ( tu cac thuc khoa anh thoa phap phong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( su cac bai hoc ngang tho khan thong ) OR ( tu cac thuc khoa anh thoa phap phong )).
• Adding a wildcard symbol may retrieve word variants: (( su cac bai hoc ngang tho khan thong ) or ( tu cac thuc khoa anh thoa phap phong ))*.