Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua giao cua snippets" » "hoa giao cua snippets", "va giao cua snippets", "cua gian cua snippets", "cua gia cua snippets", "cua giau cua 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 giao cua 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 giao cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua giao cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua giao cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.