Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi luong va slippers" » "phu luong va slippers", "phi thuong va slippers", "phan luong va slippers", "phi dung va slippers", "phi luong va slippery", "phi luong va 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 luong va 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 luong va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi luong va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi luong va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.