Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mao can dot snippets" » "mao van dot snippets", "mao con dot snippets", "mat can dot snippets", "mao can dong snippets", "mao cong dot snippets", "mao nhan dot 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: (((("mao can dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mao can dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mao can dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mao can dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.