Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh son do snippets" » "tinh toan do snippets", "dinh so do snippets", "tinh hoc do snippets", "tinh son d snippets", "tinh son da snippets", "tinh son di 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: (((("tinh son 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: (((("tinh son do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh son do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh son do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.