Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh vai » thanh hai, thanh van, thanh tai
lang van » dang van, tang van, hoang van
tu sach » thu sach, su sach, te sach
cao duc » dao duc, cao suc, giao duc
hieu va » lieu va, hieu qua
sach ha » sach nha, sach han, sach xa
lang xa » lang ha, dang xay
va cao » va cac, va co, va dao
cua te » cua tu

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 ha ((lang xa) OR (lang van)) hoi. hieu va cao duc tan ((thanh vai) or (thanh phan)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ha ((lang xa) OR (lang van)) hoi. hieu va cao duc tan ((thanh vai) OR (thanh phan)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ha ((lang xa) OR (lang van)) hoi. hieu va cao duc tan ((thanh vai) or (thanh phan)) cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ha ((lang xa) OR (lang van)) hoi. hieu va cao duc tan ((thanh vai) or (thanh phan)) cua te*.