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