Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung le cho snippets" » "nhung ke cho snippets", "nhung se cho snippets", "nhung loi cho snippets", "nhung le co snippets", "nhung de 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 le cho 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 le cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung le cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung le cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.