Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang le chan snippets" » "tang le chan snippets", "dung le chan snippets", "dang de chan snippets", "dang le thanh snippets", "dang le khanh snippets", "dang le thang 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: (((("dang le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang le chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang le chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang le chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.