Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan lan ke snippets" » "phan lap ke snippets", "phan van ke snippets", "phan loai ke snippets", "phan lang ke snippets", "phan ban ke snippets", "phan dan ke 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 lan ke 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 lan ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan lan ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan lan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.