Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai cua ton snippets" » "thai cua ton snippets", "hoi cua ton snippets", "dai cua ton snippets", "hai cua toan snippets", "hai cua tong snippets", "hai cua toi 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: (((("hai cua ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai cua ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai cua ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai cua ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.