Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua le dong snippets" » "cua le hong snippets", "cua le dang snippets", "cua ly dong snippets", "cua te dong snippets", "cua he dong 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 le dong 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 le dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua le dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua le dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.