Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong lang cu snippets" » "cong vang cu snippets", "cong luong cu snippets", "cong quang cu snippets", "cong lang cua snippets", "cong lang chu snippets", "cong lang 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 lang cu 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 lang cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong lang cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong lang cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.