Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap can thi slippers" » "nhap ca thi slippers", "nhap van thi slippers", "nhap cong thi slippers", "nhap cau thi slippers", "nhap dan thi slippers", "nhap can thi slippery", "nhap can thi 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 can thi 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 can thi slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap can thi slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap can thi slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.