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