Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java grippers" » "python using data grippers", "python using java slippers"
"nhac cu van snippets" » "nhat cua van snippets", "nhan cua van snippets", "nhac cuu van snippets", "nhac chu van snippets", "nhac cau van snippets"

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

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