Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dong cuc che snippets" » "dong luc che snippets", "dong cua che snippets", "tong cuc che snippets", "dong cuu che snippets", "dong cac che snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"hang java java snippets\") OR (\"dong cuc che snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hang java java snippets ) OR ( dong cuc che snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") OR ("dong cuc che snippets"))) OR ("locating bug code snippets"))*.