Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
su triet » su viet, ve triet
va thanh » gia thanh, ban thanh, va tinh
su tien » su kien, su hien, tu tieng
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
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 dang xa hoi. ((hieu ve) or (hieu van)) cac duc va thanh hai ((su triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang xa hoi. ((hieu ve) OR (hieu van)) cac duc va thanh hai ((su triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: su sac ky dang xa hoi. ((hieu ve) or (hieu van)) cac duc va thanh hai ((su triet) or (su tien))*.