Perhaps you should try some spelling variations:
"lua cau chap snippets" » "lua cau code snippets", "lua cau cham snippets", "lua cau chan snippets", "lua cau phap snippets", "luat cau chap snippets", "cua cau chap snippets", "quan cau chap 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 cau chap 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 cau chap snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( lua cau chap snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("lua cau chap snippets"))) OR ("locating bug core snippets"))*.