Perhaps you should try some spelling variations:
theo thuoc » tao thuoc, thu thuoc
nhung cong » dung cong, thong cong, hang cong
che thuoc » nha thuoc, cay thuoc, cua thuoc
cua nhung » va nhung
anh hang » anh hoang, anh hung, anh bang
hang cua » mang cua, hang ca, huong cua
cong tan » cong tac, cong san, cong thanh
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo thuoc) or (che thuoc)) sach - anh hang cua nhung cong tan ((toan cao) OR (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo thuoc) OR (che thuoc)) sach - anh hang cua nhung cong tan ((toan cao) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo thuoc) or (che thuoc)) sach - anh hang cua nhung cong tan ((toan cao) OR (toan ban))*".