Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java slippery" » "python using data slippery"
"bai toan van snippets" » "bai tap van snippets", "bai tran van snippets", "bai toan ban snippets", "bai tan van snippets"

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