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