Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cong te thi snippets" » "cong ty thi snippets", "cong ti thi snippets", "cong tu thi snippets", "cong le thi snippets", "cong de thi snippets", "cong te tai 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: (((("cong te thi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cong te thi snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong te thi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.