Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi pho can snippets" » "chi phi can snippets", "chi khoa can snippets", "chi phan can snippets", "chi cho can snippets", "chi pho cap snippets", "chi pho cam 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: (((("chi pho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi pho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi pho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi pho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.