Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan ca cau snippets" » "khan cap cau snippets", "khan cua cau snippets", "khan ma cau snippets", "khan cac cau snippets", "khan can cau 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 ca cau 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 ca cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan ca cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan ca cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.