Perhaps you should try some spelling variations:
ky danh » ky anh, ky dang
hoa doi » hoa dai, xoa doi, hoa duoc
hoc doi » hoc dai, hoc noi, hoc moi
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
san cua » sang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
su cao » cu cao, vu cao, su co
xu van » vu van, su van
tu van » tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cao ky danh ((hoa doi) or (hoc doi)). hieu ve chao ((xu van) or (tu van)) thanh san cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cao ky danh ((hoa doi) OR (hoc doi)). hieu ve chao ((xu van) OR (tu van)) thanh san cua tre.
• Adding a wildcard symbol may retrieve word variants: su cao ky danh ((hoa doi) or (hoc doi)). hieu ve chao ((xu van) or (tu van)) thanh san cua tre*.