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