Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong chua xe snippets" » "cong cua xe snippets", "cong chuc xe snippets", "con chua xe snippets", "cong chua xi snippets", "cong chuan he snippets", "cong chuan ve 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: (((("cong chua xe 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 xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong chua xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chua xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.