Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pha du phong snippets" » "pha mo phong snippets", "pham duc phong snippets", "pham duy phong snippets", "phan duc phong snippets", "pha du phong slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("pha du phong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha du phong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha du phong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha du phong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.