Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hung toan co snippets" » "hung toan code snippets", "hung tran co snippets", "dung toan co snippets", "hung tuan co snippets", "hung toan cao snippets", "hung toan ho snippets", "hung toan hoc snippets"
"python using java snippets" » "python using data 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: (((("hung toan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung toan co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hung toan co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung toan co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.