Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang su te snippets" » "dang su tu snippets", "dang tu te snippets", "dang su ve snippets", "dan su te snippets", "dung su te snippets", "dong su te 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 su te 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 su te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang su te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang su te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.