Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
sach thu » sach thue, sach thieu, sach tham
thu dang » thu hang, thu bang, thu dong
thanh ve » hanh ve, thanh va, thanh vien
duc gia » quoc gia
so sach » so sanh, bo sach, co sach
dang ha » dong ha, dung ha, lang ha
ve cai » va cai, ve cac, ve tai
va cam » va cham, va cac, va cao
ha hoi » hoa hoi, ha noi, xa hoi
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach thu dang ha hoi. hieu ((ve cai) or (va cam)) duc gia thanh ve ((cua tu) or (cua thuoc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thu dang ha hoi. hieu ((ve cai) OR (va cam)) duc gia thanh ve ((cua tu) OR (cua thuoc)).
• Adding a wildcard symbol may retrieve word variants: so sach thu dang ha hoi. hieu ((ve cai) or (va cam)) duc gia thanh ve ((cua tu) or (cua thuoc))*.