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