Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"que tran cac snippets" » "huy tran cac snippets", "que van cac snippets", "que tai cac snippets", "que tranh cac snippets", "que tran chau snippets", "que tran mach 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: (((("que tran cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("que tran cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( que tran cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("que tran cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.