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