Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoang cuc du snippets" » "hoang duc du snippets", "hoang tuc du snippets", "hoang quoc du snippets", "hoang cac du 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: (((("hoang cuc du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang cuc du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang cuc du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang cuc du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.