Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong da bo snippets" » "cong dan bo snippets", "cong dac bo snippets", "cong dau bo snippets", "cong da bao snippets", "cong do bo snippets", "cong da co 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: (((("cong da 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: (((("cong da bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong da bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong da bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.