Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trong hai da snippets" » "trong thai da snippets", "trong tai da snippets", "trong hoat da snippets", "trong hai dan snippets", "trong hai ba snippets", "trong hai va 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 hai 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 hai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.