Perhaps you should try some spelling variations:
phan thong » phan thuong, phan hong, phan tong
khoa thong » hoa thong, thoai thong, pho thong
thuc cach » thuoc sach, truoc cach, thuc hanh
sach tham » sach nha
tham thuc » nham thuc, pham thuc, tam thuc
anh khuan » anh chuan, anh tuan, anh khoa
bach bai » bach mai, sach bai, cac bai
bai thuc » bai thuoc, bao thuc, dai thuc
cach hoa » cach hoan, cach hoc, bach hoa
hoa phan » hoa dan, co phan
thuc anh » thuc hanh, thuy anh, thu anh
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: (( vu bach bai thuc cach hoa phan thong ) or ( tu sach tham thuc anh khuan khoa thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( vu bach bai thuc cach hoa phan thong ) OR ( tu sach tham thuc anh khuan khoa thong )).
• Adding a wildcard symbol may retrieve word variants: (( vu bach bai thuc cach hoa phan thong ) or ( tu sach tham thuc anh khuan khoa thong ))*.