Perhaps you should try some spelling variations:
"phap luat viec nam lam nghiep" » "phap luat viet nam lam nghiep", "phap lam viec nam lam nghiep", "phap luat ve nam lam nghiep", "phap luat viec lam lam nghiep", "phap luat vien nam lam nghiep", "phap luat viec nam nam nghiep", "phap luat viec nam lai nghiep", "pham luat viec nam lam nghiep"
"phan luat viec cam lam nghiep" » "phan luat viet cam lam nghiep", "phan lam viec cam lam nghiep", "phan luat ve cam lam nghiep", "phan xuat viec cam lam nghiep", "phan lap viec cam lam nghiep", "phan loai viec cam lam nghiep", "phan luat viec lam lam nghiep", "phan luat viec cua lam nghiep", "phan luat viec va lam nghiep", "phan luat viec cap lam nghiep", "phan luat viec cay lam nghiep", "phan luat viec cas lam nghiep"

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: (("phap luat viec nam lam nghiep") or ("phan luat viec cam lam nghiep"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("phap luat viec nam lam nghiep") OR ("phan luat viec cam lam nghiep")).
• Removing quotes may allow a broader search: (( phap luat viec nam lam nghiep ) or ( phan luat viec cam lam nghiep )).
• Adding a wildcard symbol may retrieve word variants: (("phap luat viec nam lam nghiep") or ("phan luat viec cam lam nghiep"))*.