Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hao da snippets" » "trong hai da snippets", "trong dao da snippets", "trong hoat da snippets", "trong hao dan snippets", "trong ho da snippets", "trong thao dao 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: (((("trong hao da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong hao da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hao da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hao da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.