Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong ky bo snippets" » "duong ky bo snippets", "tuong ky bo snippets", "cuong ky bo snippets", "luong ky bao snippets", "luong ky so 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 ky bo 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 ky bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong ky bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong ky bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.