Perhaps you should try some spelling variations:
hanh tri » thanh tri, hanh tai, hanh trinh
van hanh » van thanh, ban hanh, van anh
sach ky » sac ky, sach ty, sach kem
van hai » van chat, van phan
xuc van » duc van, luc van, vuc van
van ha » van hoa, van chat, van phan
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ky) or (sach y)) nang x hoi. thi ((van hai) or (van ha)) xuc van hanh tri cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ky) OR (sach y)) nang x hoi. thi ((van hai) OR (van ha)) xuc van hanh tri cua te.
• Adding a wildcard symbol may retrieve word variants: so ((sach ky) or (sach y)) nang x hoi. thi ((van hai) or (van ha)) xuc van hanh tri cua te*.