Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam tao cau snippets" » "dam trao cau snippets", "dao tao cau snippets", "dam bao cau snippets", "dam tao cu snippets", "dam tao cao snippets", "dam tao sau 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: (((("dam tao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam tao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam tao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam tao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.