Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gia cuc do snippets" » "gia duc do snippets", "gia muc do snippets", "gia suc do snippets", "gia cuc du snippets", "gia cuoc doi 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: (((("gia cuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia cuc do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia cuc do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia cuc do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.