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