Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua thoi hoa snippets" » "cua hoi hoa snippets", "cua toi hoa snippets", "cua khoi hoa snippets", "cua thi hoa snippets", "cua thai hoa 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 thoi hoa 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 thoi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua thoi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua thoi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.