Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu kinh le snippets" » "lieu tinh le snippets", "hieu kinh le snippets", "li kinh le snippets", "lieu kinh te snippets", "lieu dinh le snippets", "lieu kinh ve 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: (((("lieu kinh 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: (((("lieu kinh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu kinh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu kinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.