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