Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
doanh khoa » toan khoa
luan phong » luan phuong, xuan phuong, van phong
cach thuc » anh thuc, cac thu
khoa phap » khoa phau, khoan phai, khong phap
bach khoa » anh khoa
tu doanh » su doanh, te doanh, ty doanh
sach bai » sach dao, cac bai, sach xa
te cach » ve cach, te sach, tu cach
thuc tu » thuoc tu, thuc te, thu tu
tu sach » thu sach, su sach, te sach
bai vu » hai vu, bai tu, bui vu

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te cach thuc tu doanh khoa phap thong ) or ( tu sach bai vu bach khoa luan phong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te cach thuc tu doanh khoa phap thong ) OR ( tu sach bai vu bach khoa luan phong )).
• Adding a wildcard symbol may retrieve word variants: (( te cach thuc tu doanh khoa phap thong ) or ( tu sach bai vu bach khoa luan phong ))*.