Perhaps you should try some spelling variations:
nha thuoc » nha nuoc, nhan thuc, nha hoc
thanh ve » hanh ve, thanh va, thanh vien
thu sach » thuat sach, thuoc sach, thu hoach
nang lai » nang tai, mang lai, nang cai
cam luc » cam xuc, cau luc
luc van » luoc van, luu van, duc van
tu sach » su sach, te sach, tu cach
hieu ve » hieu va, hieu van
lai roi » lai hoi, loi 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 roi. hieu ve cam luc van ((hanh vi) or (thanh ve)) nha thuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y nang lai roi. hieu ve cam luc van ((hanh vi) OR (thanh ve)) nha thuoc.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) y nang lai roi. hieu ve cam luc van ((hanh vi) or (thanh ve)) nha thuoc*.