Perhaps you should try some spelling variations:
phap thong » phap phong, phap chong, pho thong
xanh khong » nganh khong, anh thong, benh khong
bach khoa » anh khoa
khoa phap » khoa phau, khoan phai, khong phap
sach tham » sach nha
tham tuan » pham tuan, than tuan, thanh tuan
tuan xanh » tuan anh, tuan minh, luan danh
tue bach » truc bach, thi bach, vu bach
khong he » khong khi, hong ha, khong _
bai tue » bai tu
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 cac bai tue bach khoa phap thong ) or ( tu sach tham tuan xanh khong he thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cac bai tue bach khoa phap thong ) OR ( tu sach tham tuan xanh khong he thong )).
• Adding a wildcard symbol may retrieve word variants: (( tu cac bai tue bach khoa phap thong ) or ( tu sach tham tuan xanh khong he thong ))*.