Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc hanh toc snippets" » "hoc hanh toc snippets", "duc hanh toc snippets", "doi hanh toc snippets", "doc hanh tot snippets", "doc hanh thuoc snippets", "doc hanh duoc 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: (((("doc hanh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc hanh toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc hanh toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc hanh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.