Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh tai » thanh tai, hang tai, han tai
so sanh » do sanh
sanh ty » sach ty, canh tay
duc van » duc va, duc tan, duc manh
tai cua » thai cua, tai cuc, tri cua
xang x » nang x
cua te » cua tu
x hoi » xa hoi, o hoi, x ho
pham » phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sanh ty xang x hoi. hieu ((va phat) or (vi pham)) duc van hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh ty xang x hoi. hieu ((va phat) OR (vi pham)) duc van hanh tai cua te.
• Adding a wildcard symbol may retrieve word variants: so sanh ty xang x hoi. hieu ((va phat) or (vi pham)) duc van hanh tai cua te*.