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