Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam vien can snippets" » "lam viec can snippets", "lam bien can snippets", "lam dien can snippets", "lam vien canh snippets", "lam vien cac snippets", "lam vien cao 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: (((("lam vien can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam vien can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam vien can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam vien can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.