Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc danh di snippets" » "quoc danh di snippets", "duoc anh di snippets", "duoc dan di snippets", "duoc danh du snippets", "duoc xanh di snippets", "duoc danh dien 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 danh di 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 danh di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc danh di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc danh di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.