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