Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi duoc co snippets" » "doi cuoc co snippets", "do duoc co snippets", "dong duoc co snippets", "doi duoc hoc snippets", "doi duong co snippets", "doi duoc hoi 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 duoc 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: (((("doi duoc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi duoc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi duoc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.