Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong eu case snippets" » "dong tu case snippets", "dong su case snippets", "dong au case snippets", "dong cjeu case snippets", "dong sea case 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: (((("dong eu case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong eu case snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong eu case snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong eu case snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.