Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"been vung he snippets" » "ben vung he snippets", "bien vung he snippets", "tren vung he snippets", "been dung he snippets", "been vung re snippets", "been vung ho 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: (((("been vung he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("been vung he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( been vung he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("been vung he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.