Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using rate code snippets" » "using waste code snippets", "using data code snippets", "using raw code snippets", "using rate code slippers"
"dung toi lua snippets" » "dung thoi lua snippets", "dung tai lua snippets", "dung doi lua snippets", "dung toi la snippets", "dung hoi luan snippets", "dung thi luan snippets", "dung toi lua slippers"

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 toi lua 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 toi lua snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using rate code snippets ) or ( dung toi lua snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using rate code snippets") or ("dung toi lua snippets"))) or ("locating bugs code snippets"))*.