Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuc vu hoan snippets" » "cuc vu hoang snippets", "cuc su hoan snippets", "cuc thu hoan snippets", "cuc du hoan snippets", "cua vu hoan 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: (((("cuc vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuc vu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuc vu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuc vu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.