Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cuoc moi snippets" » "doc cuoc moi snippets", "doi cua moi snippets", "dao cuoc moi snippets", "doi cuoc doi snippets", "doi duoc moi snippets", "doi cuoc khoi 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: (((("doi cuoc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cuoc moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cuoc moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cuoc moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.