Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"huong dan cac snippets" » "huong dan code snippets", "huong dan cach snippets", "huong dang cac snippets", "huong dan ca snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data 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: (((("huong dan cac snippets") or ("dung using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong dan cac snippets") OR ("dung using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( huong dan cac snippets ) or ( dung using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong dan cac snippets") or ("dung using java snippets"))) or ("locating bug core snippets"))*.