Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh so dk snippets" » "dinh so dk snippets", "anh so dk snippets", "dan so dk snippets", "danh so du snippets", "danh so do 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: (((("danh so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh so dk snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh so dk snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh so dk snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.