Perhaps you should try some spelling variations:
phau thuong » phan thuong, pham thuong, khau thuong
khap thong » phap thong, khau thong, khac thuong
khoi khap » hoi nhap, kho khan, khoa kham
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phau » hoa phan, khoa kham, khoa than
sach tai » sach bai, sach tham, sach dao
tai tich » tai tinh, giai tich, thai tinh
bai thuc » bai thuoc, bao thuc, dai thuc
tu sach » thu sach, su sach, te sach
va khoi » van khoi, va hoi, va khi

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 tai tich va khoi khap thong ) or ( tu cac bai thuc hanh khoa phau thuong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach tai tich va khoi khap thong ) OR ( tu cac bai thuc hanh khoa phau thuong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach tai tich va khoi khap thong ) or ( tu cac bai thuc hanh khoa phau thuong ))*.