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