Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dusing java java snippets" » "using java java snippets"
"dung ngo java snippets" » "dung ngon java snippets", "dong ngo java snippets", "dung nga java snippets", "dung ngu java snippets", "dung ngo va snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung ngo java snippets") OR ("dusing java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung ngo java snippets\") OR (\"dusing java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung ngo java snippets ) OR ( dusing java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ngo java snippets") OR ("dusing java java snippets"))) OR ("locating bug core snippets"))*.