Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khan mau de snippets" » "khan ma de snippets", "thanh mau de snippets", "khan maaz de snippets", "khan sau de snippets", "khan cau de snippets", "khan mau do 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 mau de 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 mau de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khan mau de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khan mau de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.