Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan chat da snippets" » "nhan chan da snippets", "phan chat da snippets", "chuan chat da snippets", "nhan chat va snippets", "nhan chat di snippets", "nhan chat ban 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: (((("nhan chat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan chat da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan chat da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan chat da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.