Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mo chon dan slippers" » "mo choi dan slippers", "mo chon dat slippers", "mo chon van slippers", "mo cho dan slippers", "mo phong dan slippers", "mo chon dan slippery", "mo chon dan 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: (((("mo chon 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: (((("mo chon dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mo chon dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mo chon dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.