Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi va ho snippets" » "hoi va ho snippets", "khi va ho snippets", "choi va ho snippets", "khoi va hoc snippets", "khoi va hoa snippets", "khoi va hoi 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: (((("khoi va ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi va ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi va ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi va ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.