Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong con cu snippets" » "dong cong cu snippets", "dong cuon cu snippets", "dong co cu snippets", "dong con cua snippets", "dong con tu 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 con 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: (((("dong con cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong con cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong con cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.