Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua viet con snippets" » "lua viet code snippets", "luat viet con snippets", "luan viet con snippets", "cua viet con snippets", "lua viet co snippets", "lua diet con snippets", "lua giet con snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("lua viet con snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua viet con snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua viet con snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua viet con snippets"))) or ("locating bug core snippets"))*.