Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thiet lap de snippets" » "thuat lap de snippets", "thiet hai de snippets", "khien lap de snippets", "thiet lap ke snippets", "thiet lap du snippets", "thiet tap de 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: (((("thiet lap 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: (((("thiet lap de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thiet lap de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thiet lap de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.