Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"juan so dk snippets" » "quan so dk snippets", "juan cao dk snippets", "xuan son dk snippets", "juan so du snippets", "juan so do 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: (((("juan so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("juan so dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( juan so dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("juan so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.