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