Perhaps you should try some spelling variations:
"using rate code snippets" » "using waste code snippets", "using data code snippets", "using raw code snippets", "using rate core snippets", "using rate code slippers"
"dong anh trac snippets" » "hong anh trac snippets", "dong thanh trac snippets", "hoang anh trac snippets", "dong sinh trac snippets", "dong anh tuan snippets", "dong anh thuc snippets", "dong anh trac slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 ("dong anh trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using rate code snippets") OR ("dong anh trac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using rate code snippets ) or ( dong anh trac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using rate code snippets") or ("dong anh trac snippets"))) or ("locating bug code snippets"))*.