Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung ly cac snippets" » "nhung ky cac snippets", "nhung le cac snippets", "nhung ty cac snippets", "nhung ly ca snippets", "nhung li cac 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 ly cac 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 ly cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung ly cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung ly cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.