Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"trong can chi snippets" » "trong canh chi snippets", "trong chan chi snippets", "trong cac chi snippets", "trong can thi snippets", "trong van chi snippets", "trong san chi 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang java java snippets") OR ("trong can chi snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( trong can chi snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("trong can chi snippets"))) or ("locating bug code snippets"))*.