Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"khoa than java snippets" » "khoa luan java snippets", "hoa thai java snippets", "hoa tan java snippets", "khoa think java snippets", "khoa than va snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khoa than java snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa than java snippets") OR ("using java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khoa than java snippets ) or ( using java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa than java snippets") or ("using java java snippets"))) or ("locating bug core snippets"))*.