Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"day danh do snippets" » "day danh code snippets", "day manh do snippets", "dai danh do snippets", "dao danh do snippets", "day dang do snippets", "day danh co snippets", "day danh di snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("day danh do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("day danh do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( day danh do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("day danh do snippets"))) or ("locating bug core snippets"))*.