Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi tu chi snippets" » "doi thu chi snippets", "loi tu chi snippets", "hoi tu chi snippets", "doi tu chiu snippets", "doi tu choi 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: (((("doi tu 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: (((("doi tu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi tu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi tu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.