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