Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao mau hoa snippets" » "dao cau hoa snippets", "do mau hoa snippets", "tao mau hoa snippets", "dao ma hoa snippets", "dao mai 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: (((("dao mau 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: (((("dao mau hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao mau hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao mau hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.