Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dusing java java snippets" » "using java java snippets"
"van ngo java snippets" » "van ngu java snippets", "van ngo va snippets", "van ngoc java snippets", "van nga java snippets", "ban ngo java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van ngo java snippets") or ("dusing java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van ngo java snippets") OR ("dusing java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van ngo java snippets ) or ( dusing java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ngo java snippets") or ("dusing java java snippets"))) or ("locating bug core snippets"))*.