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