Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi danh tu slippers" » "hop danh tu slippers", "hoi dan tu slippers", "hoc danh tu slippers", "hoi anh tu slippers", "hoi hanh tu slippers", "hoi doanh thu slippers", "hoi danh tu slippery", "hoi danh tu 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: (((("hoi danh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi danh tu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi danh tu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi danh tu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.