Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat de dot snippets" » "nhat ve dot snippets", "nhat le dot snippets", "chat deo dot snippets", "nhat de dat snippets", "nhat da dot snippets", "nhat de doi 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: (((("nhat de dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat de dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat de dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat de dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.