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