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