Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha keo cho snippets" » "phap kem cho snippets", "pha kieu cho snippets", "phap ket cho snippets", "pha ke cho snippets", "pha keo chi snippets", "pha khoe cho 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: (((("pha keo cho 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 keo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha keo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha keo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.