Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao tho duc snippets" » "dao thoi duc snippets", "dao tao duc snippets", "dao thi duc snippets", "dao ho duc snippets", "dao thu duc snippets", "dao tao duoc 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: (((("dao tho duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dao tho duc snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao tho duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.