Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau chap con snippets" » "cau cham con snippets", "cau chan con snippets", "cau phap con snippets", "cau phap cong snippets", "cau nhap cong snippets", "cau chat cong 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: (((("cau chap con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau chap con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau chap con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau chap con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.