Perhaps you should try some spelling variations:
vu khanh » vu thanh, van khanh, duy khanh
hieu van » hieu va, thien van, lieu va
thanh ve » thanh va, thanh vien, thanh van
khanh ky » hanh ky, thanh ky, khanh ly
van lam » van nam
lam luc » lao luc, lam duoc
danh xa » danh ca, dinh xa, canh xa
ky danh » ky anh, ky dang
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va
cua tu » cua tuc, cua su, cua cu

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 ky danh xa hoi. hieu van lam luc va ((thanh ve) OR (hanh ve)) ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu khanh ky danh xa hoi. hieu van lam luc va ((thanh ve) OR (hanh ve)) ((cua tre) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu khanh ky danh xa hoi. hieu van lam luc va ((thanh ve) OR (hanh ve)) ((cua tre) or (cua tu))*".