Perhaps you should try some spelling variations:
"moi nguoi java snippets" » "moi nguoi va snippets", "moi ngu java snippets", "moi nguoi bana snippets", "con nguoi java snippets", "toc nguoi java snippets", "hoa nguoi java snippets", "moi nguoi java slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("moi nguoi java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi nguoi java snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi nguoi java snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi nguoi java snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.