Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
cua viet » ca viet, hoa viet, cua vat
sach ky » sac ky, sach y, sach ty
suc van » su van, duc van, luc van
mai hoi » mai khoi, dai hoi, lai hoi
lap cua » lai cua, tap cua, lam cua
ve bao » te bao, va bao
va cao » va cac, va co, va dao

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 ky nang ((mai hoi) or (ma hoa)). hieu ((ve bao) or (va cao)) suc van thanh lap cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang ((mai hoi) OR (ma hoa)). hieu ((ve bao) OR (va cao)) suc van thanh lap cua viet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ((mai hoi) or (ma hoa)). hieu ((ve bao) or (va cao)) suc van thanh lap cua viet*.