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"
"cac hat dan snippets" » "cac chat dan snippets", "cac hoat dan snippets", "cau hat dan snippets", "cac hat van snippets", "cac mat dan snippets", "cac nhat danh 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: (((("cac hat dan snippets") or ("python using java snippets"))) or ("lochating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hat dan snippets") OR ("python using java snippets"))) OR ("lochating bug code slippers")).
• Removing quotes may allow a broader search: (((( cac hat dan snippets ) or ( python using java snippets ))) or ( lochating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hat dan snippets") or ("python using java snippets"))) or ("lochating bug code slippers"))*.