Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam dap cung snippets" » "dam dap ung snippets", "dam dap nhung snippets", "dam lap chung snippets", "dam dac cung snippets", "dam da cung snippets", "dam dam cung 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 dap cung 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 dap cung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam dap cung snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam dap cung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.