Perhaps you should try some spelling variations:
"lua lap toan snippets" » "lua lap code snippets", "lua tap toan snippets", "lua lap doanh snippets", "lua phap toan snippets", "luan lap toan snippets", "lua lai toan snippets", "luat lao toan snippets"
"locating bug core snippets" » "locating bug code 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 lap toan 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 lap toan snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( lua lap toan snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("lua lap toan snippets"))) OR ("locating bug core snippets"))*.