Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quoc cao dat slippers" » "quoc bao dat slippers", "quoc cac dat slippers", "quoc cho dat slippers", "quoc cai dat slippers", "quoc cao dam slippers", "quoc cao dao slippers", "quoc cao dat slippery", "quoc cao dat 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: (((("quoc cao dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quoc cao dat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quoc cao dat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quoc cao dat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.