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