Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nen lon ve snippets" » "nen mong ve snippets", "bien lon ve snippets", "nen cong ve snippets", "nen long ve snippets", "nen lon va snippets", "nen lon vi 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: (((("nen lon ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nen lon ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nen lon ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nen lon ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.