Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van hoi nhap slippers" » "van hoi dap slippers", "van moi nhat slippers", "van choi nhap slippers", "van hoai nhap slippers", "van khoi nhap slippers", "van hoi nhap slippery", "van hoi nhap 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: (((("van hoi nhap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van hoi nhap slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van hoi nhap slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van hoi nhap slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.