Perhaps you should try some spelling variations:
phau tuong » phai tuong, phan thuong, pham thuong
phan thong » phan thuong, phan hong, phan tong
thanh thi » thanh tai, nhanh thi, thanh tri
thuc cach » thuoc sach, truoc cach, tuc cac
cach khoa » bach khoa, cac khoa, cac khoan
khoa phau » hoa phan, khoa kham, khoa than
thai thuc » thai thuy, thai tuc, tham thuc
hanh khoa » hang khoa, anh khoa, hanh hoa
khoa phan » hoa phan, khoa than, khoan phai
tu thanh » thu thanh, su thanh, ta thanh
thi thuc » thi thu, thi thuy, tri thuc
cac thai » cac thoi, ca thai, cac thi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu thanh thi thuc cach khoa phau tuong ) or ( tu cac thai thuc hanh khoa phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu thanh thi thuc cach khoa phau tuong ) OR ( tu cac thai thuc hanh khoa phan thong ))*.