Perhaps you should try some spelling variations:
"lochating bug code slippers" » "locating bug code slippers", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"tu phan van slippery" » "tu pham van slippery", "tu thanh van slippery", "tu luan van slippery", "thu phan van slippery", "tu nhan van slippery", "tu phat van 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: (((("tu phan van slippery") or ("python using java snippets"))) or ("lochating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu phan van slippery") OR ("python using java snippets"))) OR ("lochating bug code slippers")).
• Removing quotes may allow a broader search: (((( tu phan van slippery ) or ( python using java snippets ))) or ( lochating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("tu phan van slippery") or ("python using java snippets"))) or ("lochating bug code slippers"))*.