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