Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dien dan cho snippets" » "hien dai cho snippets", "vien dai cho snippets", "gian dan cho snippets", "dien danh cho snippets", "dien san cho snippets", "dien dac cho 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: (((("dien dan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dien dan cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dien dan cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dien dan cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.