Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sach hat dan slippers" » "sach phat dan slippers", "sach dat dan slippers", "sach han dan slippers", "sach hat van slippers", "sach mat dan slippers", "sach nhat danh slippers", "sach hat dan slippery", "sach hat 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 hat 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 hat dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sach hat dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sach hat dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.