Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoa doi ky snippets" » "hoa doi ky snippets", "khoa hoi ky snippets", "khoa noi ky snippets", "khoa do ky snippets", "khoa dai ky 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 doi ky snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa doi ky snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( khoa doi ky snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))*.