Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den nay cau snippets" » "den ngay cau snippets", "den gay cau snippets", "den lay cau snippets", "den nam cau snippets", "den giay cau snippets", "den nang cau 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: (((("den nay cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den nay cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den nay cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den nay cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.