Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vien cac dat slippers" » "vien bach dat slippers", "vien dai dat slippers", "vien da dat slippers", "vien cac dan slippers", "vien cai dat slippers", "vien cac dai slippers", "vien cac dat slippery", "vien cac dat 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: (((("vien cac dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vien cac dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vien cac dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vien cac dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.