Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach cua dan slippers" » "cach cua dan slippers", "mach cua dan slippers", "sac cua dan slippers", "sach cua dang slippers", "sach cua ban slippers", "sach ca dan slippers", "sach cua dan slippery", "sach cua dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("sach cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sach cua dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach cua dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach cua dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.