Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong nho ve snippets" » "luong cho ve snippets", "luong nha ve snippets", "luong khoa ve snippets", "luong nho va 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: (((("luong nho ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong nho ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong nho ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong nho ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.