Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong doan la slippers" » "cong dan la slippers", "cong hoan la slippers", "dong doanh la slippers", "cong doan va slippers", "cong doan van slippers", "cong doanh va slippers", "cong doan la slippery", "cong doan la grippers"
"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: (((("python using java snippets") or ("cong doan la slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong doan la slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong doan la slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong doan la slippers"))) or ("locating bug code snippets"))*.