Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu nhieu cac snippets" » "tu nhieu code snippets", "tu hieu cac snippets", "tu nhieu cau snippets", "tu thieu cac snippets", "tu nhien cac snippets", "phu nhieu cac snippets", "tu lieu cac 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: (((("tu nhieu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu nhieu cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu nhieu cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu nhieu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.