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