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