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