Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lua luoc cac snippets" » "lua luoc code snippets", "lua nuoc cac snippets", "luat duoc cac snippets", "luan nuoc cac snippets", "lua duoc cac snippets", "lua luoc can snippets", "lua quoc cac 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: (((("lua luoc cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"lua luoc cac snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( lua luoc cac snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua luoc cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.