Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu nhieu cua snippets" » "tu nhieu code snippets", "tu hieu cua snippets", "tu nhiet cua snippets", "tu nhiem cua snippets", "tu nhien cua snippets", "phu nhieu cua snippets", "tu lieu cua 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 cua 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 cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu nhieu cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu nhieu cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.