Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tuc mot snippets" » "cong thuc mot snippets", "cong tac mot snippets", "cong suc mot snippets", "cong truc mot snippets", "cong tich mot snippets", "cong huoc mot 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: (((("python using java snippets") or ("cong tuc mot snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cong tuc mot snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong tuc mot snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong tuc mot snippets"))) or ("locating bug code snippets"))*.