Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thanh tran » thanh trang, thanh toan, thanh tuan
hien sach » dien sach, kien sach, chieu sach
thanh tra » thanh toan, thanh hoa
song cong » cong cong, tong cong, song hong
van thanh » ban thanh, van tuan
thanh tay » thanh tai, thanh toan, thanh thuy
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien sach) or (thien hach)) - ((thanh tran) or (thanh tra)) nang song cong van thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sach) OR (thien hach)) - ((thanh tran) OR (thanh tra)) nang song cong van thanh tay*.