Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using rate code snippets" » "using waste code snippets", "using data code snippets", "using raw code snippets"
"dung so cong snippets" » "dung co cong snippets", "dung mo cong snippets", "dung cho cong snippets", "dung bo cong snippets", "dung cao cong snippets", "dung hoc 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: (((("using rate code snippets") or ("dung so cong snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using rate code snippets") OR ("dung so cong snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using rate code snippets ) or ( dung so cong snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using rate code snippets") or ("dung so cong snippets"))) or ("locating bugs code snippets"))*.