Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao ve doc snippets" » "bao ve doc snippets", "dap ve doc snippets", "dau ve doc snippets", "dao ve duoc snippets", "dao va doc snippets", "dao me doc 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: (((("dao ve doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao ve doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao ve doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao ve doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.