Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian luan de snippets" » "gian lan de snippets", "gia luan de snippets", "gian quang de snippets", "gian luan den snippets", "gian luan ve snippets", "gian luat de 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: (((("gian luan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian luan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian luan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian luan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.