Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dao chu snippets" » "doc dao chu snippets", "doi dau chu snippets", "doi dam chu snippets", "doi dao phu snippets", "doi cao chu snippets", "doi dao cau 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 dao chu 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 dao chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dao chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dao chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.