Perhaps you should try some spelling variations:
cua thuoc » nha thuoc, cay thuoc, cua nuoc
thanh ve » hanh ve, thanh va, thanh vien
thu sach » thuat sach, thuoc sach, thu hoach
nang lai » nang tai, mang lai, nang cai
thanh vi » hanh vi, thanh va, nhanh vi
luc van » luoc van, luu van, duc van
tu sach » su sach, te sach, tu cach
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam

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