Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nan dan ke snippets" » "nhan dan ke snippets", "nang dan ke snippets", "ban dan ke snippets", "nan dan ky snippets", "nan dan ve snippets", "nan ban 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: (((("nan dan 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: (((("nan dan ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nan dan ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nan dan ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.