Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam cao chan snippets" » "dam cao chat snippets", "dam cam chan snippets", "dam can chan snippets", "dam bao chan snippets", "nam cao chan snippets", "dam rao chan 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 cao chan 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 cao chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam cao chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam cao chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.