Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha lua doi snippets" » "phap lua doi snippets", "pha cua doi snippets", "phap luat doi snippets", "pha sua doi snippets", "pha quan doi 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 lua doi 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 lua doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha lua doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha lua doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.