Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"de van dam snippets" » "de van nam snippets", "de van dao snippets", "de van dau snippets", "le van dam snippets", "do van dam snippets", "ve van dam 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: (((("de van dam snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( de van dam snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("de van dam snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.