Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang co cua snippets" » "dong co cua snippets", "dung co cua snippets", "dang do cua snippets", "dang con cua snippets", "dang ca cua snippets", "dang cong cua 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: (((("dang co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.