Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong long vu slippers" » "cong luong vu slippers", "cong dong vu slippers", "cong cong vu slippers", "cong long ve slippers", "cong luong va slippers", "cong long cua slippers", "cong long vu slippery", "cong long 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: (((("cong long 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: (((("cong long vu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong long vu slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong long vu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.