Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach cua de snippets" » "cac cua de snippets", "cach dua de snippets", "canh cua de snippets", "cach cua te snippets", "cach cua du snippets", "cach cua he snippets"
"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: (((("cach cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach cua de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach cua de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach cua de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.