Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
tham thuc » nham thuc, pham thuc, tam thuc
khoa phap » khoa phau, khoan phai, khong phap
can thuoc » cay thuoc, ban thuoc, cao thuoc
sac tham » sach tham, sac thai, hoac tham
thuc cac » thuc cach, tuc cac, phuc cac
cac khoa » cac khoan, cac khoi, dac khoa
tren anh » tren lanh, tran anh, tien anh
thi hang » thi hanh, thi nang, thi hong
anh hoa » anh khoa, danh hoa, hanh hoa
hoa thi » hoa thai, ha thi, hoa phi
tu sac » tu sach, tu cac, tu san
tu can » tu ban, tu cac, thu canh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sac tham thuc cac khoa phap thong ) or ( tu can thuoc tren anh hoa thi hang ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sac tham thuc cac khoa phap thong ) OR ( tu can thuoc tren anh hoa thi hang ))*.