Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua dan ion snippets" » "cua dang ion snippets", "cua ban ion snippets", "ca dan ion snippets", "cua dan mon snippets", "cua dan bon snippets", "cua dan gian 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 dan ion 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 dan ion snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua dan ion snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dan ion snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.