Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
va thanh » gia thanh, ban thanh, va tinh
thu sach » tu sach, thuat sach, thuoc sach
so sach » so sanh, bo sach, co sach
hieu va » lieu va, hieu qua
lap cua » lai cua, tap cua, lam cua
va cai » va cac, va bai, va dai
cua te » cua tu
x hoi » xa hoi, o hoi, 5 hoi

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (so sach)) ky nang ((x hoi) OR (x ho)). hieu va cai dat va thanh lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (so sach)) ky nang ((x hoi) OR (x ho)). hieu va cai dat va thanh lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (so sach)) ky nang ((x hoi) OR (x ho)). hieu va cai dat va thanh lap cua te".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (so sach)) ky nang ((x hoi) OR (x ho)). hieu va cai dat va thanh lap cua te*.