Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc chat cao snippets" » "hoc chat cao snippets", "toc cham cao snippets", "hop chat cao snippets", "doc chat co snippets", "doc chat cho snippets", "doc chat bao 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: (((("doc chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc chat cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc chat cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc chat cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.