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