Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu quang de snippets" » "chu quang de snippets", "huu quang de snippets", "luu quang de snippets", "cuu quang le snippets", "cuu quang d snippets", "cuu quang 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: (((("cuu quang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu quang de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu quang de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu quang de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.