Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong hai con snippets" » "dong ha con snippets", "dong tai con snippets", "cong hai con snippets", "dong phai con snippets", "dong bai con snippets", "dong hai son 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 hai con 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 hai con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hai con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hai con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.