Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat cau chi snippets" » "luat cau code snippets", "luat dau chi snippets", "lua cau chi snippets", "luat cac chi snippets", "luat cau chiu snippets", "luat cau thi snippets", "luat ca chi snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

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