Perhaps you should try some spelling variations:
vu khanh » vu thanh, van khanh, duy khanh
nang dai » nang dau, nang tai, lang dai
khanh v » khanh van, thanh va, thanh ve
dai hoi » dai hoc, dai hai, dai moi
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
v nang » va nang, vu nang, van nang
ve dam » ven dam, ke dam, va dam
dam tu » nam tu, cam tu, tam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu khanh v nang dai hoi. hieu ve dam tu ((va danh) or (va hanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khanh v nang dai hoi. hieu ve dam tu ((va danh) OR (va hanh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu khanh v nang dai hoi. hieu ve dam tu ((va danh) or (va hanh)) dai cua tre*.