Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than voi can snippets" » "than vo can snippets", "tan voi can snippets", "than roi can snippets", "than voi cac snippets", "than voi cong snippets", "than voi hang 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: (((("than voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than voi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than voi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than voi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.