Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luoc danh da snippets" » "luoc danh code snippets", "luoc dinh da snippets", "quoc danh da snippets", "luoc canh da snippets", "luoc danh dau snippets", "luoc dan da snippets", "luoc danh ca 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: (((("luoc danh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc danh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luoc danh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc danh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.