Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua cuc son snippets" » "cua cac son snippets", "cua cu son snippets", "cua duc son snippets", "cua cuc lon snippets", "cua luc son snippets", "cua cuoc song 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 cuc son 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 cuc son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua cuc son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua cuc son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.