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