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