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