Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung cac van slippers" » "dung cac van slippers", "luong cac van slippers", "cuong cac van slippers", "vung cac dan slippers", "vung cac van slippery", "vung 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: (((("vung 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: (((("vung cac van slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung cac van slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung cac van slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.