Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan duc 2 snippets" » "pham duc 2 snippets", "phan tu 2 snippets", "phan dau 2 snippets", "phan duoc 2 snippets", "phan duc _ snippets", "phan doc 2 snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan duc 2 snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"phan duc 2 snippets\") OR (\"python using java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( phan duc 2 snippets ) OR ( python using java snippets ))) OR ( locating bug core snippets ))*.