Perhaps you should try some spelling variations:
"hoang dung cong snippets" » "hoang tung cong snippets", "hoang vuong cong snippets", "thong dung cong snippets", "hoang dung trong snippets", "hoang dung vong snippets", "hoang dung cog snippets", "hoang dung dongg snippets"
"hoang dung con snippets" » "hoang tung con snippets", "hoang vuong con snippets", "thong dung con snippets", "hoang dung von snippets", "hoang dung co snippets", "hoang dung dong 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.

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