Perhaps you should try some spelling variations:
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
bac ky » ban ky, sac ky, bac sy
va cam » va cham, va cac, va cao
di cuu » di cau, di cua, dinh cuu
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: vu ((bac ky) or (cac ky)) nang x hoi. hieu va cam xuc ((ban hanh) or (van hanh)) di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((bac ky) OR (cac ky)) nang x hoi. hieu va cam xuc ((ban hanh) OR (van hanh)) di cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu ((bac ky) or (cac ky)) nang x hoi. hieu va cam xuc ((ban hanh) or (van hanh)) di cuu tre*.