Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van cu than slippers" » "van cu thanh slippers", "van cu nhan slippers", "van nu than slippers", "van cau than slippers", "van chu than slippers", "van cua than slippers", "van cu than slippery", "van cu than 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 cu than 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 cu than slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van cu than slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cu than slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.