Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using 3d snippets" » "python using code snippets", "python using 3 snippets", "python using a snippets", "python using _ snippets"
"xac trinh java snippets" » "xuan trinh java snippets", "xac dinh java snippets", "lap trinh java 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 3d snippets") or ("xac trinh java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using 3d snippets") OR ("xac trinh java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using 3d snippets ) or ( xac trinh java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using 3d snippets") or ("xac trinh java snippets"))) or ("locating bug core snippets"))*.