Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va can chan snippets" » "va dan chan snippets", "va cam chan snippets", "va ban chan snippets", "va chan chan snippets", "va cac chan snippets", "va cao chan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("va can chan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("va can chan snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( va can chan snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("va can chan snippets"))) or ("locating bug code snippets"))*.