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