Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau theo cac snippets" » "cau thi cac snippets", "cau tao cac snippets", "cau tho cac snippets", "cau theo sach snippets", "cau thien cac 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 theo cac 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 theo cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau theo cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau theo cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.