Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hanh chu snippets" » "doc hanh chu snippets", "doi khang chu snippets", "thi hanh chu snippets", "doi thanh chu snippets", "doi hanh che snippets", "doi hanh khu 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 hanh 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 hanh chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hanh chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hanh chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.