Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pho son don snippets" » "cho son don snippets", "pho uong don snippets", "pho dong don snippets", "pho song don snippets", "pho hon don snippets", "pho son con 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 don 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 don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pho son don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pho son don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.