Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc trung do snippets" » "hoc truong do snippets", "hoc trong do snippets", "hoc thuong do snippets", "hoc trung bo snippets", "hoc trung co snippets", "hoc trung 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: (((("hoc trung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc trung do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc trung do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc trung do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.