Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang cac hoa snippets" » "dung cac hoa snippets", "bang cac hoa snippets", "dong cac hoa snippets", "dang cac hoat snippets", "dang cac khoa snippets", "dang cau hoa 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 cac hoa 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 cac hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang cac hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang cac hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.