Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghia tu cau snippets" » "nghia duy cau snippets", "nghia cua cau snippets", "nghia xa cau snippets", "nghia tu cac snippets", "nghia cu cau snippets", "nghia tu can 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: (((("nghia tu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghia tu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghia tu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghia tu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.