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