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