Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"viet hung cho snippets" » "viet hung code snippets", "viet huong cho snippets", "viet trung cho snippets", "viet chung cho snippets", "viet dung cho snippets"
"using java java snippets" » "using data java snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("viet hung cho snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet hung cho snippets") OR ("using java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( viet hung cho snippets ) or ( using java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet hung cho snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.