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