Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran mach han snippets" » "tran manh han snippets", "trinh mach han snippets", "trong mach han snippets", "tran mach phan snippets", "tran sach han snippets", "tran cach hoan snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code 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 java code snippets") OR ("tran mach han snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java code snippets\") OR (\"tran mach han snippets\"))) OR (\"locating bug code slippers\"))*".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( tran mach han snippets ))) OR ( locating bug code slippers ))*.