Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan dan cac snippets" » "nhan dan cac snippets", "phan dang cac snippets", "nhan dang cac snippets", "shan dan cach snippets", "shan dang cac snippets", "shan dan ca 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: (((("shan dan 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: (((("shan dan cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan dan cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan dan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.