Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phat ca chi snippets" » "phat cua chi snippets", "pham ca chi snippets", "phat ha chi snippets", "phat a chi snippets", "phat cu chi snippets", "phat la chi 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: (((("phat ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat ca chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phat ca chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phat ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.