Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam trao cau snippets" » "dam rao cau snippets", "dam bao cau snippets", "tan trao cau snippets", "dam tao cau snippets", "dam tra cau snippets", "dam tao cu 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 trao 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 trao cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam trao cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam trao cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.