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