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