Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu cua dep snippets" » "cu cua dieu snippets", "cu cua thep snippets", "cu cua tiep snippets", "cau cua dep snippets", "ca cua dep snippets", "co cua dep 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: (((("cu cua dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu cua dep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu cua dep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu cua dep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.