Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hoat cu snippets" » "toi hoat cu snippets", "doi hoa cu snippets", "doi hoac cu snippets", "doi hat cu snippets", "doi hoan cua snippets", "doi hoat quy 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 hoat cu 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 hoat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hoat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hoat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.