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