Perhaps you should try some spelling variations:
than thuong » thanh thuong, phan thuong, han thuong
tren thuoc » trien thuoc, tren thuc, trung thuoc
thuoc sach » hoc sach, nuoc sach, thuat sach
phap thong » phap phong, phap chong, pho thong
sach thuc » cach thuc, sach thu, sach thue
thuc chuc » thuc thuc, thuc chung, thuc cua
chuc hach » chuc hanh, thuc hanh, chuc danh
hach khoa » bach khoa, hang khoa, hoc khoa
khoa than » khoa luan, hoa thai, hoa tan
sach tren » sach tien, sach tranh
nha phap » nha phat, pham phap, chap phap
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: (( tu sach thuc chuc hach khoa than thuong ) or ( tu sach tren thuoc sach nha phap thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach thuc chuc hach khoa than thuong ) OR ( tu sach tren thuoc sach nha phap thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu sach thuc chuc hach khoa than thuong ) or ( tu sach tren thuoc sach nha phap thong ))*.