Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang duoc do snippets" » "dang duoc code snippets", "dang quoc do snippets", "dang duc do snippets", "dong duoc do snippets", "dang duoc dao snippets", "dang duoc co snippets", "dang duoc vo 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: (((("dang duoc 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: (((("dang duoc do snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang duoc do snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang duoc do snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.