Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
danh doi » danh di, dung doi, danh hoa
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, me hoi
ve cac » va cac, vien cac

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 nang ((ma hoi) or (ma hoa)). hieu ve cac tuc xa ((danh doi) or (thanh doi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang ((ma hoi) OR (ma hoa)). hieu ve cac tuc xa ((danh doi) OR (thanh doi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang ((ma hoi) or (ma hoa)). hieu ve cac tuc xa ((danh doi) or (thanh doi)) cua tre*.