Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao can cau snippets" » "cao cap cau snippets", "cao van cau snippets", "cao lan cau snippets", "cao ban cau snippets", "cao ca 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: (((("cao can 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: (((("cao can cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao can cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao can cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.