Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lap cac snippets" » "cong luan cac snippets", "cong lang cac snippets", "cong tac cac snippets", "cong tap cac snippets", "cong gap cac snippets", "cong lop cac 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 lap 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: (((("cong lap cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lap cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lap cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.