Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippers" » "python using data slippers", "python using java grippers"
"tu tran van slippery" » "tu luan van slippery", "tu trang van slippery", "tu tren van slippery", "tu than van slippery"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tu tran van slippery") OR ("python using java slippers"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"tu tran van slippery\") OR (\"python using java slippers\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( tu tran van slippery ) OR ( python using java slippers ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu tran van slippery") OR ("python using java slippers"))) OR ("locating bug core snippets"))*.