Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang co lon snippets" » "hang cho lon snippets", "hang ca lon snippets", "nang co lon snippets", "hang co loi snippets", "hang co don 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: (((("hang co lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang co lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang co lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang co lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.