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"
"dong hoc phi slippery" » "dong co phi slippery", "dong luc phi slippery", "dong hoc pho slippery", "dong hoc chi slippery", "dong hoc khi 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 ("dong hoc 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 ("dong hoc phi slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java slippers ) or ( dong hoc phi slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java slippers") or ("dong hoc phi slippery"))) or ("locating bug core snippets"))*.