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