Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi chung co snippets" » "di chung co snippets", "hoi chung co snippets", "doi phuong co snippets", "doi chung cho snippets", "doi chung cu snippets", "doi chong 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: (((("doi chung 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 chung co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi chung co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi chung co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.