Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang ly do snippets" » "hang ly do snippets", "hoang le do snippets", "hoang my do snippets", "hoang ly dao snippets", "hoang ly doi snippets", "hoang ly du snippets"
"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: (((("hoang ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang ly do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang ly do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang ly do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.