Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"va truong dai snippets" » "van truong dai snippets", "xa truong dai snippets", "va thuong dai 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 ("va truong dai snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using data java snippets ) or ( va truong dai snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using data java snippets") or ("va truong dai snippets"))) or ("locating bug core snippets"))*.