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