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"
"dung cua phi slippery" » "dung luan phi slippery", "dung cho phi slippery", "dung cua chi slippery", "dung cua phu slippery", "dung chau phi slippery"

Try widening your search to All Fields.

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 slippers") or ("dung cua phi slippery"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java slippers") OR ("dung cua phi slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( dung cua phi slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("dung cua phi slippery"))) or ("locating bug core snippets"))*.