Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu nhan moi snippets" » "cu nhan moi snippets", "cua nhan moi snippets", "cuu thanh moi snippets", "cuu nha moi snippets", "cuu nhan mo snippets", "cuu 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: (((("cuu 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: (((("cuu nhan moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu nhan moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu nhan moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.