Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua dam den snippets" » "cua dan den snippets", "cua dai den snippets", "cua tam den snippets", "cua dam de snippets", "cua dam len 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: (((("cua dam den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dam den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua dam den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dam den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.