Perhaps you should try some spelling variations:
nha thuoc » nha nuoc, nhan thuc, nha hoc
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
thu sach » thuat sach, thuoc sach, thu hoach
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, vuc van
van cam » van nam, van lam, van cau
tu sach » su sach, te sach, tu cach
mai hoi » mai khoi, lai hoi, mai doi
dai hoi » dai hoc, dai hai, dai moi
y nang » ky nang, ly nang, v nang
vi nha » ve nha, va nha, li nha

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