Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac mau doc snippets" » "cam mau doc snippets", "sach mau doc snippets", "cac mau do snippets", "cac chau doc snippets", "cac mau dich 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac mau doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac mau doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.