Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chul lee cau snippets" » "chul le cau snippets", "chu lee cau snippets", "chua lee cau snippets", "chuc lee 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: (((("chul lee 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: (((("chul lee cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chul lee cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chul lee cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.