Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac nhan mo snippets" » "cac nhan mo snippets", "danh nhan mo snippets", "ca nhan mo snippets", "dac nhan my snippets", "dac phan mo snippets", "dac 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: (((("dac 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: (((("dac nhan mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac nhan mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac nhan mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.