Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"van du ben snippets" » "van duy ben snippets", "van dau ben snippets", "van de ben snippets", "van dua ben snippets", "van do ben snippets", "van tu ben snippets", "van du ben 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: (((("van du ben snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van du ben snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van du ben snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.