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