Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cua mo snippets" » "hoi cua mo snippets", "dai cua mo snippets", "dong cua mo snippets", "doi cua mot snippets", "doi cua moi snippets", "doi cua bo 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 cua mo 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 cua mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cua mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cua mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.