Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan mao can snippets" » "khan ma can snippets", "khan maaz can snippets", "nhan mo can snippets", "khan mao van snippets", "khan mao con snippets", "khan mat can 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: (((("khan mao 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: (((("khan mao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan mao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.