Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
phan thong » phan thuong, phan hong, phan tong
thanh tai » thanh hai, thanh toan, doanh tai
thuc cach » thuoc sach, truoc cach, thuc hanh
cach khoa » bach khoa, cac khoa, cac khoan
khoa phap » khoa phau, khoan phai, khong phap
thai truc » thai thuc, thai tuc, thi truc
ta thanh » tai thanh, va thanh, ha thanh
tai thuc » thai thuc, tri thuc, dai thuc
sac thai » rac thai, sach tham, toc thai
bach co » bach cau, bach hoa, bach mao
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ta thanh tai thuc cach khoa phap thong ) or ( tu sac thai truc bach co phan thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ta thanh tai thuc cach khoa phap thong ) OR ( tu sac thai truc bach co phan thong ))*.