Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan me cau snippets" » "cha me cau snippets", "phan mem cau snippets", "chan ke cau snippets", "chan le cau snippets", "chan ve cau 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: (((("chan me cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan me cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan me cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan me cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.