Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac do duc slippers" » "cac don duc slippers", "cac doi duc slippers", "cac du duc slippers", "cac dao duc slippers", "cac do duy slippers", "cac do duc slippery", "cac do duc 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: (((("cac do duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac do duc slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac do duc slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac do duc slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.