Perhaps you should try some spelling variations:
"using rate core snippets" » "using waste core snippets", "using data core snippets", "using raw core snippets", "using rate code snippets"
"tran sach han snippets" » "tran mach han snippets", "ngan sach han snippets", "tran manh han snippets", "tran sach tham snippets", "tran sach danh snippets", "tran sach nang snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using rate core snippets\") OR (\"tran sach han snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using rate core snippets ) OR ( tran sach han snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using rate core snippets") OR ("tran sach han snippets"))) OR ("locating bug code snippets"))*.