Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac noi dung slippers" » "bac hoc dung slippers", "ban noi dung slippers", "cach noi dung slippers", "sach noi dung slippers", "bac noi dung slippery", "bac noi dung 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: (((("bac noi dung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac noi dung slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac noi dung slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac noi dung slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.