Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"von cua co snippets" » "vong cua co snippets", "vuon cua co snippets", "con cua co snippets", "von cua bo snippets", "von cua cong 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: (((("von cua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("von cua co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( von cua co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("von cua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.