Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan bao coc snippets" » "luat bao coc snippets", "luan ban coc snippets", "xuan bao coc snippets", "luan bao goc snippets", "luan bao hoc snippets", "luan bat coc 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: (((("luan bao coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan bao coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan bao coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan bao coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.