Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don chua co snippets" » "con chua co snippets", "don chuc co snippets", "doan chuan co snippets", "don chuan co snippets", "don cua co snippets", "don chua o 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: (((("don chua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("don chua co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don chua co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don chua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.