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