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