Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"lua doc hieu slippers" » "lua toc thieu slippers", "lua hoc thieu slippers", "lua hoc hien slippers", "lua doi hieu slippers", "luan dac hieu slippers", "lua nuoc hieu slippers", "lua doc hieu slippery", "lua doc hieu grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using java code snippets") or ("lua doc hieu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("lua doc hieu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lua doc hieu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lua doc hieu slippers"))) or ("locating bug code snippets"))*.