Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dang java java snippets" » "dang va java snippets"
"duong cao cong snippets" » "duong co cong snippets", "duong dao cong snippets", "duong cac cong snippets", "duong cao dang snippets", "duong cua cong snippets"

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

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