Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xon dung cua snippets" » "con duong cua snippets", "cong dung cua snippets", "hong dung cua snippets", "xon dung luan snippets", "xon dung cho 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: (((("xon dung 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: (((("xon dung cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xon dung cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xon dung cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.