Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
hoa lang » hoa van
thanh va » thanh van, hanh va, thanh ha
thanh vi » hanh vi, thanh ve, nhanh vi
luc van » luoc van, luu van, duc van
tu sach » thu sach, su sach, te sach
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
va cam » va cham, va cac, va cao

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 ((hoa lang) or (hoa dan)) mai hoi. hieu va cam luc van ((thanh vi) or (thanh va)) cua thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((hoa lang) OR (hoa dan)) mai hoi. hieu va cam luc van ((thanh vi) OR (thanh va)) cua thuoc.
• Adding a wildcard symbol may retrieve word variants: tu sach ((hoa lang) or (hoa dan)) mai hoi. hieu va cam luc van ((thanh vi) or (thanh va)) cua thuoc*.