Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc ban hoi snippets" » "duc ban hoi snippets", "quoc ban hoi snippets", "buoc ban hoi snippets", "duoc ban thoi snippets", "duoc ban moi snippets", "duoc dan 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: (((("duoc ban hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc ban hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc ban hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc ban hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.