Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi trung cao snippets" » "vi trung code snippets", "vi truong cao snippets", "vi trung cap snippets", "vi trung co snippets", "va trung cao snippets", "viet trung cao snippets", "vien trung cao snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using data java snippets") OR ("vi trung cao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( vi trung cao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("vi trung cao snippets"))) or ("locating bug core snippets"))*.