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