Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi trung long snippets" » "vi trung code snippets", "vi truong long snippets", "vi trung uong snippets", "vi trong long snippets", "va trung long snippets", "viet trung long snippets", "vien trung long 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: (((("vi trung long snippets") OR ("using data java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( vi trung long snippets ) or ( using data java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trung long snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.