Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tinh pham le snippets" » "minh pham le snippets", "binh pham le snippets", "tinh cham le snippets", "tinh phan le snippets", "tinh pham lan 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 pham 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 pham le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh pham le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh pham le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.