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