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