Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan son di snippets" » "phan song di snippets", "phan bon di snippets", "phan san di snippets", "phan son d snippets", "phan son da snippets", "phan son ki 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: (((("phan son di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan son di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan son di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan son di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.