Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kiem nam cac snippets" » "kiem lam cac snippets", "kim nam cac snippets", "viet nam cac snippets", "kiem nam cao snippets", "kiem nam sach 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: (((("kiem nam 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: (((("kiem nam cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kiem nam cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kiem nam cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.