Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong chua le snippets" » "cong cua le snippets", "cong chuc le snippets", "con chua le snippets", "cong chua xe snippets", "cong chuan he snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cong chua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong chua le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chua le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.