Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
dhang khoa » dang khoa, dung khoa, doanh khoa
hang khoa » dung khoa
khoa phap » khoa phau, khoan phai, khong phap
sach tri » sach tai, sach tren, sach truc
thi hang » thi hanh, thi nang, thi hong
lam thuc » lam thuoc, am thuc, nam thuc
te dhang » te hang, le thang, ke thang
tu sach » thu sach, su sach, te sach
tri thi » tri tai, tai thi, thi thi
thuc te » thuc tien
tu lam » tu lap, su lam

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 tri thi hang khoa phap thong ) or ( tu lam thuc te dhang khoa phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tri thi hang khoa phap thong ) OR ( tu lam thuc te dhang khoa phap thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tri thi hang khoa phap thong ) or ( tu lam thuc te dhang khoa phap thong ))*.