Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thi a1 slippers" » "dung tai a1 slippers", "dung tri a1 slippers", "dung chi a1 slippers", "dung thi ai slippers", "dung thi a1 slippery", "dung thi a1 grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung thi a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung thi a1 slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung thi a1 slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung thi a1 slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.