Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi can mo snippets" » "khoa can mo snippets", "khoi nang mo snippets", "hoc can mo snippets", "khoi can moi snippets", "khoi can bo snippets", "khoi can ho 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 can mo 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 can mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi can mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi can mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.