Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan song co snippets" » "phan cong co snippets", "phan xuong co snippets", "phan ung co snippets", "phan song con snippets", "phan dong co 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 song co 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 song co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan song co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan song co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.