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