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

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu khanh ky danh xa hoi. hieu van lao luc ban thanh ve ((cua tre) OR (cua tu))~.
• Adding a wildcard symbol may retrieve word variants: vu khanh ky danh xa hoi. hieu van lao luc ban thanh ve ((cua tre) or (cua tu))*.