Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang che mon snippets" » "sang cho mon snippets", "han che mon snippets", "hang cho mon snippets", "sang che cong snippets", "sang nghe mon 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: (((("sang che mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang che mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang che mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang che mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.