Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"ma tran chau snippets" » "ma tranh chap snippets", "ma tran huu snippets", "ha tran chau snippets", "m tran chau snippets", "tan tran chau snippets"
"locating bug code snippets" » "locating bug core snippets", "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 ("ma tran chau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("ma tran chau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ma tran chau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("ma tran chau snippets"))) or ("locating bug code snippets"))*.