Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
cua quoc » cua nuoc, cua thuoc
hieu va » lieu va, hieu qua
lai cua » dai cua, hai cua, lai chau
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
hieu ve » hieu van
lai hoi » dai hoi, lai hoa, lai roi
mai hoi » mai khoi, dai hoi, mai doi
y nang » ky nang, ly nang, v nang

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 y nang ((mai hoi) or (lai hoi)). ((hieu ve) OR (hieu va)) cam xuc van thanh lai cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((mai hoi) OR (lai hoi)). ((hieu ve) OR (hieu va)) cam xuc van thanh lai cua quoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ((mai hoi) or (lai hoi)). ((hieu ve) OR (hieu va)) cam xuc van thanh lai cua quoc".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((mai hoi) or (lai hoi)). ((hieu ve) OR (hieu va)) cam xuc van thanh lai cua quoc*.