Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van thinh han snippets" » "van thanh han snippets", "van chinh han snippets", "van minh han snippets", "van trinh han snippets", "van thinh ha snippets", "van thinh doan 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 thinh han 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 thinh han snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( van thinh han snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))*.