Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham bao cua snippets" » "pham bao cua snippets", "chat bao cua snippets", "cham vao cua snippets", "cham ban cua snippets", "cham bai cua snippets", "cham bao lua 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: (((("cham bao cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham bao cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham bao cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham bao cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.