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