Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"trinh hoi gen snippets" » "trinh hoa gen snippets", "trinh do gen snippets", "trinh han gen snippets", "trinh doi gen snippets", "trinh hoi den snippets", "trinh hoi vien snippets", "trinh hoi gen 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 java code snippets") or ("trinh hoi gen snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("trinh hoi gen snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh hoi gen snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh hoi gen snippets"))) or ("locating bug code snippets"))*.