Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van trong co snippets" » "van trong code snippets", "van truong co snippets", "vang trong co snippets", "ban trong co snippets", "van trong ca snippets", "van trong cong snippets", "van trong cuoc 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: (((("van trong co snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trong co snippets") OR ("using java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van trong co snippets ) or ( using java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van trong co snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.