Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat de can snippets" » "nhat ve can snippets", "nhat le can snippets", "chat deo can snippets", "nhat de cai snippets", "nhat de cac snippets", "nhat de dan 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 can 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 can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat de can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat de can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.