Perhaps you should try some spelling variations:
vu thanh » su thanh, vu khanh, cuu thanh
thanh ky » hanh ky, than ky, thanh tay
hieu van » hieu va, thien van, lieu va
thanh ve » hanh ve, thanh va, thanh vien
ky dinh » ky sinh, ky danh, ky kinh
dinh xa » dinh ba, dinh va, dinh xu
van lam » van nam
cua tre » cua te, cuu tre, cua triet
luc 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 thanh ky dinh xa hoi. hieu van lam ((luc va) OR (duc va)) thanh ve ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu thanh ky dinh xa hoi. hieu van lam ((luc va) OR (duc va)) thanh ve ((cua tre) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu thanh ky dinh xa hoi. hieu van lam ((luc va) OR (duc va)) thanh ve ((cua tre) or (cua tu))*".