Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung se ke snippets" » "nhung ke ke snippets", "nhung su ke snippets", "nhung le ke snippets", "nhung ve ke snippets", "nhung so ke 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: (((("nhung se ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung se ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung se ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung se ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.