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