Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc hang vu snippets" » "hoc hanh vu snippets", "hoc bang vu snippets", "hoc han vu snippets", "hoc hoang vu snippets", "hoc hang va snippets", "hoc hung vu snippets", "hoc hang vu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: (((("hoc hang vu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc hang vu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc hang vu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.