Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong da su slippers" » "cong dan su slippers", "cong dac su slippers", "cong dau su slippers", "cong dat su slippers", "cong va su slippers", "cong da su slippery", "cong da su 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 su 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 su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong da su slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong da su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.