Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong che ho snippets" » "luong cho ho snippets", "luong chu ho snippets", "duong che ho snippets", "luong che do snippets", "luong he ho snippets", "luong che khoa 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 che ho 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 che ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong che ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong che ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.