Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban can cac snippets" » "ban dan cac snippets", "ban hang cac snippets", "ban hanh cac snippets", "ban ca cac snippets", "ban can cau snippets", "ban can tac 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: (((("ban can 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: (((("ban can cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban can cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban can cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.