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