Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh hai » thanh hoa, thanh san
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
cao duc » dao duc, cao suc, giao duc
cac duc » cac du, cac dac, cac nuoc
hieu va » lieu va, hieu qua
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky tang van hoa. hieu va ((cac duc) or (cao duc)) ban ((thanh hai) or (thanh phan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang van hoa. hieu va ((cac duc) OR (cao duc)) ban ((thanh hai) OR (thanh phan)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang van hoa. hieu va ((cac duc) or (cao duc)) ban ((thanh hai) or (thanh phan)) cua tre*.