Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"son cong cac snippets" » "song cong cac snippets", "bon cong cac snippets", "san cong cac snippets", "son cuong cac snippets", "son cong tac snippets", "son cong 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: (((("son cong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("son cong cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( son cong cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("son cong cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.