Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ivan cho can snippets" » "van cho can snippets", "van chi can snippets", "san cho can snippets", "ivan cho cac snippets", "ivan cho phan snippets", "ivan cho cong 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: (((("ivan cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ivan cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ivan cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ivan cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.