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