Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
sanh nham » lanh nham, san pham, sach nha
nham thuc » nhan thuc, nam thuc, nham thu
khoa phap » khoa phau, khoan phai, khong phap
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
sanh thi » anh thi, oanh thi, nhanh thi
anh khoa » doanh khoa, hang khoa
khoa hoc » hoa hoc
hoc hong » hoc huong, hoc khong, hoc cong
so sanh » do sanh
thu anh » thuy anh, thu canh, thu oanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sanh nham thuc cac khoa phap thong ) or ( so sanh thi thu anh khoa hoc hong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sanh nham thuc cac khoa phap thong ) OR ( so sanh thi thu anh khoa hoc hong )).
• Adding a wildcard symbol may retrieve word variants: (( so sanh nham thuc cac khoa phap thong ) or ( so sanh thi thu anh khoa hoc hong ))*.