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