Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"than duc f snippets" » "tran duc f snippets", "phan duc f snippets", "than doc f snippets", "than duc _ snippets", "than duc m snippets", "than duc y snippets"

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

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