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