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