Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua nhan moi snippets" » "ca nhan moi snippets", "cua ngan moi snippets", "cua nha moi snippets", "cua nhan mo snippets", "cua nhat moi 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: (((("cua nhan moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua nhan moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua nhan moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua nhan moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.