Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong co tran slippers" » "dong co tran slippers", "cong cu tran slippers", "cong so tran slippers", "cong co tranh slippers", "cong co thanh slippers", "cong co trach slippers", "cong co tran slippery", "cong co tran 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 co tran 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 co tran slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong co tran slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong co tran slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.