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