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